Installed GNU-style find package

#1127

.github/release.yml

@@ -0,0 +1,4 @@
+changelog:
+  exclude:
+    authors:
+      - dependabot

.github/workflows/build-multiarch.yml

@@ -8,8 +8,6 @@ on:
       - java11*
       - java16*
       - java17*
-      - test/*
-      - fix/*
     tags:
       - "[0-9]+.[0-9]+.[0-9]+"
       - "[0-9]+.[0-9]+.[0-9]+-java8-multiarch"
@@ -81,7 +79,7 @@ jobs:
         uses: docker/build-push-action@v2.7.0
         with:
           context: .
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           # ensure latest base image is used

.github/workflows/pr.yml

@@ -3,13 +3,18 @@ name: Validate PR
 on:
   pull_request:
     branches: [ master ]
+    types: [assigned, opened, synchronize, labeled]
+    paths-ignore:
+      - "*.md"
+      - "docs/**"
+      - "examples/**"
 
 env:
   IMAGE_TO_TEST: itzg/minecraft-server:test-${{ github.repository_owner }}-${{ github.run_id }}
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
       - uses: actions/checkout@v2.4.0
@@ -25,8 +30,34 @@ jobs:
           tags: ${{ env.IMAGE_TO_TEST }}
           load: true
           cache-from: type=gha
-          cache-to: type=gha,mode=max
 
       - name: Run tests
         run: |
           tests/test.sh
+
+      - name: Gather Docker metadata
+        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            itzg/minecraft-server
+
+      - name: Login to DockerHub
+        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Push
+        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
+        uses: docker/build-push-action@v2.7.0
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          pull: true
+          push: true
+          cache-from: type=gha
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/stale-check.yml

@@ -12,7 +12,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Process Stale Issues
-        uses: actions/stale@v4.0.0
+        uses: actions/stale@v4.1.0
         with:
           stale-issue-label: status/stale
           stale-pr-label: status/stale

.gitignore

@@ -1,4 +1,6 @@
+.vscode
 /data/
 /.idea/
 *.iml
-/gh-md-toc
+*.zip
+/gh-md-toc

Dockerfile

@@ -1,30 +1,31 @@
-FROM adoptopenjdk:11-jdk-openj9
+FROM openjdk:8-jdk-alpine
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 
-RUN apt-get update \
-  && DEBIAN_FRONTEND=noninteractive \
-  apt-get install -y \
+RUN apk add --no-cache -U \
+    openssl \
     imagemagick \
-    gosu \
-    sudo \
-    net-tools \
-    iputils-ping \
-    curl wget \
+    lsof \
+    su-exec \
+    # GNU compatible 'find'
+    findutils \
+    shadow \
+    bash \
+    curl iputils \
     git \
     jq \
-    dos2unix \
     mysql-client \
     tzdata \
     rsync \
     nano \
-    unzip \
-    knockd \
-    ttf-dejavu \
-    && apt-get clean
+    sudo \
+    knock \
+    ttf-dejavu
 
-RUN addgroup --gid 1000 minecraft \
-  && adduser --system --shell /bin/false --uid 1000 --ingroup minecraft --home /data minecraft
+RUN addgroup -g 1000 minecraft \
+  && adduser -Ss /bin/false -u 1000 -G minecraft -h /home/minecraft minecraft \
+  && mkdir -m 777 /data \
+  && chown minecraft:minecraft /data /home/minecraft
 
 COPY --chmod=644 files/sudoers* /etc/sudoers.d
 
@@ -32,9 +33,9 @@ EXPOSE 25565 25575
 
 # hook into docker BuildKit --platform support
 # see https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
-ARG TARGETOS
-ARG TARGETARCH
-ARG TARGETVARIANT
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+ARG TARGETVARIANT=""
 
 ARG EASY_ADD_VER=0.7.1
 ADD https://github.com/itzg/easy-add/releases/download/${EASY_ADD_VER}/easy-add_${TARGETOS}_${TARGETARCH}${TARGETVARIANT} /usr/bin/easy-add
@@ -45,26 +46,26 @@ RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
- --var version=1.5.1 --var app=rcon-cli --file {{.app}} \
- --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
+  --var version=1.5.1 --var app=rcon-cli --file {{.app}} \
+  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
- --var version=0.10.3 --var app=mc-monitor --file {{.app}} \
- --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
+  --var version=0.10.3 --var app=mc-monitor --file {{.app}} \
+  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
- --var version=1.8.0 --var app=mc-server-runner --file {{.app}} \
- --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
+  --var version=1.8.0 --var app=mc-server-runner --file {{.app}} \
+  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
- --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
- --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
+  --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
+  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_HELPER_VERSION=1.10.0
+ARG MC_HELPER_VERSION=1.11.0
 ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/v${MC_HELPER_VERSION}
 RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
-    | tar -C /usr/share -zxf - \
-    && ln -s /usr/share/mc-image-helper-${MC_HELPER_VERSION}/bin/mc-image-helper /usr/bin
+  | tar -C /usr/share -zxf - \
+  && ln -s /usr/share/mc-image-helper-${MC_HELPER_VERSION}/bin/mc-image-helper /usr/bin
 
 VOLUME ["/data"]
 WORKDIR /data
@@ -72,11 +73,12 @@ WORKDIR /data
 STOPSIGNAL SIGTERM
 
 ENV UID=1000 GID=1000 \
-  MEMORY="1G" \
+  JVM_XX_OPTS="-XX:+UseG1GC" MEMORY="1G" \
   TYPE=VANILLA VERSION=LATEST \
   ENABLE_RCON=true RCON_PORT=25575 RCON_PASSWORD=minecraft \
   ENABLE_AUTOPAUSE=false AUTOPAUSE_TIMEOUT_EST=3600 AUTOPAUSE_TIMEOUT_KN=120 AUTOPAUSE_TIMEOUT_INIT=600 \
-  AUTOPAUSE_PERIOD=10 AUTOPAUSE_KNOCK_INTERFACE=eth0
+  AUTOPAUSE_PERIOD=10 AUTOPAUSE_KNOCK_INTERFACE=eth0 \
+  ENABLE_AUTOSTOP=false AUTOSTOP_TIMEOUT_EST=3600 AUTOSTOP_TIMEOUT_INIT=1800 AUTOSTOP_PERIOD=10
 
 COPY --chmod=755 scripts/start* /
 COPY --chmod=755 bin/ /usr/local/bin/
@@ -84,8 +86,9 @@ COPY --chmod=755 bin/mc-health /health.sh
 COPY --chmod=644 files/server.properties /tmp/server.properties
 COPY --chmod=644 files/log4j2.xml /tmp/log4j2.xml
 COPY --chmod=755 files/autopause /autopause
+COPY --chmod=755 files/autostop /autostop
 
-RUN dos2unix /start* /autopause/*
+RUN dos2unix /start* /autopause/* /autostop/*
 
 ENTRYPOINT [ "/start" ]
 HEALTHCHECK --start-period=1m CMD mc-health

README.md

@@ -24,6 +24,7 @@ By default, the container will download the latest version of the "vanilla" [Min
 **TABLE OF CONTENTS**
 
 <!--ts-->
+   * [Mitigated Log4jShell Vulnerability](#mitigated-log4jshell-vulnerability)
    * [Looking for a Bedrock Dedicated Server](#looking-for-a-bedrock-dedicated-server)
    * [Interacting with the server](#interacting-with-the-server)
    * [Data Directory](#data-directory)
@@ -45,6 +46,7 @@ By default, the container will download the latest version of the "vanilla" [Min
       * [Running a Bukkit/Spigot server](#running-a-bukkitspigot-server)
       * [Running a Paper server](#running-a-paper-server)
       * [Running an Airplane server](#running-an-airplane-server)
+      * [Running a Pufferfish server](#running-a-pufferfish-server)
       * [Running a Purpur server](#running-a-purpur-server)
       * [Running a Magma server](#running-a-magma-server)
       * [Running a Mohist server](#running-a-mohist-server)
@@ -73,6 +75,8 @@ By default, the container will download the latest version of the "vanilla" [Min
       * [Downloadable world](#downloadable-world)
       * [Cloning world from a container path](#cloning-world-from-a-container-path)
       * [Overwrite world on start](#overwrite-world-on-start)
+      * [Datapacks](#datapacks)
+      * [VanillaTweaks](#vanillatweaks)
    * [Server configuration](#server-configuration)
       * [Message of the Day](#message-of-the-day)
       * [Difficulty](#difficulty)
@@ -131,13 +135,18 @@ By default, the container will download the latest version of the "vanilla" [Min
    * [Autopause](#autopause)
       * [Description](#description)
       * [Enabling Autopause](#enabling-autopause)
+   * [Autostop](#autostop)
    * [Running on RaspberryPi](#running-on-raspberrypi)
    * [Contributing](#contributing)
 
-<!-- Added by: runner, at: Sat Dec 11 22:09:10 UTC 2021 -->
+<!-- Added by: runner, at: Thu Jan  6 12:50:03 UTC 2022 -->
 
 <!--te-->
 
+## Mitigated Log4jShell Vulnerability
+
+**Please ensure you have pulled the latest image** since [all official mitigations](https://www.minecraft.net/en-us/article/important-message--security-vulnerability-java-edition) are automatically applied by the container startup process.
+
 ## Looking for a Bedrock Dedicated Server
 
 For Minecraft clients running on consoles, mobile, or native Windows, you'll need to
@@ -283,6 +292,7 @@ When using the image `itzg:/minecraft-server` without a tag, the `latest` image
 | java11-openj9  | 11           | Debian | OpenJ9   | amd64             |
 | java16-openj9  | 16           | Debian | OpenJ9   | amd64             |
 | java17         | 17           | Ubuntu | Hotspot  | amd64,arm64,armv7 |
+| java17-openj9  | 17           | Debian | OpenJ9   | amd64             |
 
 For example, to use Java version 8 on any supported architecture:
 
@@ -452,19 +462,13 @@ Plugins can either be managed within the `plugins` subdirectory of the [data dir
 
 Enable Paper server mode by adding a `-e TYPE=PAPER` to your command-line.
 
-By default the container will run the latest build of [Paper server](https://papermc.io/downloads)
-but you can also choose to run a specific build with `-e PAPERBUILD=205`.
+By default, the container will run the latest build of [Paper server](https://papermc.io/downloads) but you can also choose to run a specific build with `-e PAPERBUILD=205`.
 
     docker run -d -v /path/on/host:/data \
         -e TYPE=PAPER \
         -p 25565:25565 -e EULA=TRUE --name mc itzg/minecraft-server
 
-If you are hosting your own copy of Paper you can override the download URL with:
-
-- -e PAPER_DOWNLOAD_URL=<url>
-
-An example compose file is provided at
-[examples/docker-compose-paper.yml](examples/docker-compose-paper.yml).
+If you are hosting your own copy of Paper you can override the download URL with `PAPER_DOWNLOAD_URL=<url>`.
 
 If you have attached a host directory to the `/data` volume, then you can install plugins via the `plugins` subdirectory. You can also [attach a `/plugins` volume](#optional-plugins-mods-and-config-attach-points). If you add plugins while the container is running, you'll need to restart it to pick those up.
 
@@ -476,13 +480,25 @@ An [Airplane](https://airplane.gg) server, which is "a stable, optimized, well s
 
     -e TYPE=AIRPLANE
 
-> NOTE: The `VERSION` variable is used to select an Airplane branch to download from. The available options are "LATEST" "1.17" "1.16" "PURPUR" and "PURPUR-1.16"
+> NOTE: The `VERSION` variable is used to select an Airplane branch to download from. The available options are "LATEST" "1.17" and "PURPUR"
 
 Extra variables:
 - `AIRPLANE_BUILD=lastSuccessfulBuild` : set a specific Airplane build to use
 - `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
 - `USE_FLARE_FLAGS=false` : set to true to add appropriate flags for the [Flare](https://blog.airplane.gg/flare) profiler
 
+### Running a Pufferfish server
+
+A [Pufferfish](https://github.com/pufferfish-gg/Pufferfish) server, which is "a highly optimized Paper fork designed for large servers requiring both maximum performance, stability, and "enterprise" features."
+
+    -e TYPE=PUFFERFISH
+
+> NOTE: The `VERSION` variable is used to select a Pufferfish branch to download from. The available options are "LATEST" and "1.18"
+
+Extra variables:
+- `PUFFERFISH_BUILD=lastSuccessfulBuild` : set a specific Pufferfish build to use
+- `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
+
 ### Running a Purpur server
 
 A [Purpur](https://purpur.pl3x.net/) server, which is "drop-in replacement for Paper servers designed for configurability, new fun and exciting gameplay features, and performance built on top of Airplane."
@@ -798,6 +814,57 @@ The following diagram shows how this option can be used in a compose deployment
 ### Overwrite world on start
 The world will only be downloaded or copied if it doesn't exist already. Set `FORCE_WORLD_COPY=TRUE` to force overwrite the world on every server start.
 
+### Datapacks
+Datapacks can be installed in a similar manner to mods/plugins. There are many environment variables which function in the same way they do for [mods](#working-with-mods-and-plugins): 
+* `DATAPACKS`
+* `DATAPACKS_FILE` 
+* `REMOVE_OLD_DATAPACKS` 
+* `REMOVE_OLD_DATAPACKS_DEPTH` 
+* `REMOVE_OLD_DATAPACKS_INCLUDE`
+* `REMOVE_OLD_DATAPACKS_EXCLUDE`
+Datapacks will be placed in `/data/$LEVEL/datapacks`
+
+### VanillaTweaks
+
+VanillaTweaks datapacks can be installed with a share code from the website UI **OR** a json file to specify packs to download and install.
+
+Accepted Parameters:
+
+- `VANILLATWEAKS_FILE`
+- `VANILLATWEAKS_SHARECODE`
+- `REMOVE_OLD_VANILLATWEAKS`
+- `REMOVE_OLD_VANILLATWEAKS_DEPTH`
+- `REMOVE_OLD_VANILLATWEAKS_INCLUDE`
+- `REMOVE_OLD_VANILLATWEAKS_EXCLUDE`
+
+Example of expected Vanillatweaks sharecode: 
+
+```yaml
+VANILLATWEAKS_SHARECODE: MGr52E
+```
+
+Example of expected Vanillatweaks file format:
+
+```json
+{
+  "version": "1.18",
+  "packs": {
+    "survival": [
+      "graves",
+      "multiplayer sleep",
+      "afk display",
+      "armor statues",
+      "unlock all recipes",
+      "fast leaf decay",
+      "coordinates hud"
+    ],
+    "items": ["armored elytra"]
+  }
+}
+```
+
+Datapacks will be placed in `/data/$LEVEL/datapacks`
+
 ## Server configuration
 
 By default, the server configuration will be created and set based on the following environment variables, but only the first time the server is started. If the `server.properties` file already exists, the values in them will not be changed.
@@ -1394,10 +1461,6 @@ To enable remote JMX, such as for profiling with VisualVM or JMC, add the enviro
 
 When `MEMORY` is greater than or equal to 12G, then the Aikar flags will be adjusted according to the article.
 
-Large page support can also be enabled by adding
-
-    -e USE_LARGE_PAGES=true
-
 ### HTTP Proxy
 
 You may configure the use of an HTTP/HTTPS proxy by passing the proxy's URL via the `PROXY`
@@ -1453,6 +1516,8 @@ Enable the Autopause functionality by setting:
 
 Autopause is not compatible with `EXEC_DIRECTLY=true` and the two cannot be set together.
 
+> When configuring kubernetes readiness/liveness health checks with auto-pause enabled, be sure to reference the `mc-health` wrapper script rather than `mc-status` directly.
+
 The following environment variables define the behaviour of auto-pausing:
 * `AUTOPAUSE_TIMEOUT_EST`, default `3600` (seconds)
   describes the time between the last client disconnect and the pausing of the process (read as timeout established)
@@ -1465,6 +1530,28 @@ The following environment variables define the behaviour of auto-pausing:
 * `AUTOPAUSE_KNOCK_INTERFACE`, default `eth0`
   <br>Describes the interface passed to the `knockd` daemon. If the default interface does not work, run the `ifconfig` command inside the container and derive the interface receiving the incoming connection from its output. The passed interface must exist inside the container. Using the loopback interface (`lo`) does likely not yield the desired results.
 
+## Autostop
+
+An option to stop the server after a specified time has been added for niche applications (e.g. billing saving on AWS Fargate). The function is incompatible with the Autopause functionality, as they basically cancel out each other.
+
+Note that the docker container variables have to be set accordingly (restart policy set to "no") and that the container has to be manually restarted.
+
+A starting, example compose file has been provided in [examples/docker-compose-autostop.yml](examples/docker-compose-autostop.yml).
+
+Enable the Autostop functionality by setting:
+
+```
+-e ENABLE_AUTOSTOP=TRUE
+```
+
+The following environment variables define the behaviour of auto-stopping:
+* `AUTOSTOP_TIMEOUT_EST`, default `3600` (seconds)
+  describes the time between the last client disconnect and the stopping of the server (read as timeout established)
+* `AUTOSTOP_TIMEOUT_INIT`, default `1800` (seconds)
+  describes the time between server start and the stopping of the server, when no client connects inbetween (read as timeout initialized)
+* `AUTOSTOP_PERIOD`, default `10` (seconds)
+  describes period of the daemonized state machine, that handles the stopping of the server
+
 ## Running on RaspberryPi
 
 To run this image on a RaspberryPi 3 B+, 4, or newer, use any of the image tags [list in the Java version section](#running-minecraft-server-on-different-java-version) that specify `armv7` for the architecture, which includes `itzg/minecraft-server:latest`.

bin/mc-send-to-console

@@ -12,4 +12,4 @@ if [ ! -p "${CONSOLE_IN_NAMED_PIPE}" ]; then
   exit 1
 fi
 
-echo "$@" > "${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}"
+gosu minecraft bash -c "echo $* > '${CONSOLE_IN_NAMED_PIPE:-/tmp/minecraft-console-in}'"

examples/docker-compose-autostop.yml

@@ -0,0 +1,20 @@
+version: '3.8'
+
+services:
+  minecraft:
+    image: itzg/minecraft-server
+    ports:
+      - "25565:25565"
+    volumes:
+      - "mc:/data"
+    environment:
+      EULA: "TRUE"
+      ENABLE_AUTOSTOP: "TRUE"
+      # More aggressive settings for demo purposes
+      AUTOSTOP_TIMEOUT_INIT: "30"
+      AUTOSTOP_TIMEOUT_EST: "20"
+    # Important not to auto-restart the server!!!
+    restart: "no"
+
+volumes:
+  mc: {}

examples/docker-compose-generic-pack.yml

@@ -13,6 +13,7 @@ services:
       VERSION: ${VERSION:-1.17.1}
       FORGEVERSION: ${FORGEVERSION:-37.0.90}
       GENERIC_PACK: /modpacks/${MODPACK:-Server-Files-0.0.21.zip}
+      REMOVE_OLD_MODS: "${REMOVE_OLD_MODS:-false}"
     ports:
       - "25565:25565"
 

examples/docker-compose-paper.yml

@@ -1,18 +1,19 @@
 version: '3.8'
-
 services:
   mc:
     image: itzg/minecraft-server
+    container_name: paper
     environment:
       EULA: "true"
+      ENABLE_RCON: "true"
       TYPE: PAPER
-      VERSION: 1.9.4
-      # needed for Paper versions before 1.14
+      VIEW_DISTANCE: 10
+      MEMORY: 2G
       CONSOLE: "false"
     ports:
       - 25565:25565
     volumes:
       - mc-paper:/data
-
+    restart: unless-stopped
 volumes:
   mc-paper:

examples/vanilla-tweaks/docker-compose.yml

@@ -0,0 +1,27 @@
+version: "3.3"
+
+services:
+  vanillatweaks_file:
+    restart: "no"
+    image: itzg/minecraft-server
+    ports:
+      - "25565:25565/tcp"
+    environment:
+      EULA: "TRUE"
+      VERSION: ${MINECRAFT_VERSION:-LATEST}
+      VANILLATWEAKS_FILE: /config/vanillatweaks-datapacks.json
+      REMOVE_OLD_VANILLATWEAKS: "TRUE"
+    volumes:
+      - data:/data
+      - ./vanillatweaks-datapacks.json:/config/vanillatweaks-datapacks.json:ro
+  vanillatweaks_sharecode:
+    # port is set to 25566 to not conflict with vanillatweaks_file example
+    ports:
+      - "25566:25565/tcp"
+    restart: "no"
+    image: itzg/minecraft-server
+    environment:
+      EULA: "TRUE"
+      VERSION: ${MINECRAFT_VERSION:-LATEST}
+      VANILLATWEAKS_SHARECODE: MGr52E
+      REMOVE_OLD_VANILLATWEAKS: "TRUE"

examples/vanilla-tweaks/vanillatweaks-datapacks.json

@@ -0,0 +1,15 @@
+{
+    "version": "1.18",
+    "packs": {
+        "survival": [
+            "graves",
+            "multiplayer sleep",
+            "afk display",
+            "armor statues",
+            "unlock all recipes",
+            "fast leaf decay",
+            "coordinates hud"
+        ],
+        "items": ["armored elytra"]
+    }
+}

files/autopause/autopause-fcns.sh

@@ -5,15 +5,15 @@ current_uptime() {
 }
 
 java_running() {
-  [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]]
+  [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]]
 }
 
 java_process_exists() {
-  [[ -n "$(ps -ax -o comm | grep 'java')" ]]
+  [[ -n "$(ps -a -o comm | grep 'java')" ]]
 }
 
 rcon_client_exists() {
-  [[ -n "$(ps -ax -o comm | grep 'rcon-cli')" ]]
+  [[ -n "$(ps -a -o comm | grep 'rcon-cli')" ]]
 }
 
 mc_server_listening() {

files/autopause/knockd-config.cfg

@@ -3,12 +3,12 @@
 [unpauseMCServer-server]
  sequence = 25565
  seq_timeout = 1
- command = /usr/sbin/gosu minecraft:minecraft /autopause/resume.sh
+ command = /sbin/su-exec minecraft:minecraft /autopause/resume.sh
  tcpflags = syn
 [unpauseMCServer-rcon]
  sequence = 25575
  seq_timeout = 1
- command = /usr/sbin/gosu minecraft:minecraft /autopause/resume.sh
+ command = /sbin/su-exec minecraft:minecraft /autopause/resume.sh
  tcpflags = syn
 [unpauseMCServer-bedrock]
  sequence = 19132:udp

files/autopause/pause.sh

@@ -2,7 +2,7 @@
 
 . /start-utils
 
-if [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]] ; then
+if [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^S.*$ ]] ; then
   # save world
   rcon-cli save-all >/dev/null
 

files/autopause/resume.sh

@@ -2,7 +2,7 @@
 
 . /start-utils
 
-if [[ $( ps -ax -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^T.*$ ]] ; then
+if [[ $( ps -a -o stat,comm | grep 'java' | awk '{ print $1 }') =~ ^T.*$ ]] ; then
   logAutopauseAction "Knocked, resuming Java process"
   pkill -CONT java
 fi

files/autostop/autostop-daemon.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# needed for the clients connected function residing in autopause
+. /autopause/autopause-fcns.sh
+
+. ${SCRIPTS:-/}start-utils
+
+# wait for java process to be started
+while :
+do
+  if java_process_exists ; then
+    break
+  fi
+  sleep 0.1
+done
+
+STATE=INIT
+
+while :
+do
+  case X$STATE in
+  XINIT)
+    # Server startup
+    if mc_server_listening ; then
+      TIME_THRESH=$(($(current_uptime)+$AUTOSTOP_TIMEOUT_INIT))
+      logAutostop "MC Server listening for connections - stopping in $AUTOSTOP_TIMEOUT_INIT seconds"
+      STATE=II
+    fi
+    ;;
+  XII)
+    # Initial idle
+    if java_clients_connected ; then
+      logAutostop "Client connected - waiting for disconnect"
+      STATE=E
+    else
+      if [[ $(current_uptime) -ge $TIME_THRESH ]] ; then
+        logAutostop "No client connected since startup - stopping server"
+        /autostop/stop.sh
+        exit 0
+      fi
+    fi
+    ;;
+  XE)
+    # Established
+    if ! java_clients_connected ; then
+      TIME_THRESH=$(($(current_uptime)+$AUTOSTOP_TIMEOUT_EST))
+      logAutostop "All clients disconnected - stopping in $AUTOSTOP_TIMEOUT_EST seconds"
+      STATE=I
+    fi
+    ;;
+  XI)
+    # Idle
+    if java_clients_connected ; then
+      logAutostop "Client reconnected - waiting for disconnect"
+      STATE=E
+    else
+      if [[ $(current_uptime) -ge $TIME_THRESH ]] ; then
+        logAutostop "No client reconnected - stopping"
+        /autostop/stop.sh
+        exit 0
+      fi
+    fi
+    ;;
+  *)
+    logAutostop "Error: invalid state: $STATE"
+    ;;
+  esac
+  sleep $AUTOSTOP_PERIOD
+done

files/autostop/stop.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+. /start-utils
+
+logAutostopAction "Stopping Java process"
+kill -SIGTERM 1

scripts/start

@@ -40,7 +40,7 @@ if ! isTrue "${SKIP_SUDO:-false}" && [ $(id -u) = 0 ]; then
     echo 'hosts: files dns' > /etc/nsswitch.conf
   fi
 
-  exec gosu ${runAsUser}:${runAsGroup} ${SCRIPTS:-/}start-configuration $@
+  exec su-exec ${runAsUser}:${runAsGroup} ${SCRIPTS:-/}start-configuration "$@"
 else
-  exec ${SCRIPTS:-/}start-configuration $@
+  exec ${SCRIPTS:-/}start-configuration "$@"
 fi

scripts/start-autostop

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
+
+: "${SERVER_PORT:=25565}"
+export SERVER_PORT
+
+log "Autostop functionality enabled"
+
+isDebugging && set -x
+
+if ! [[ $AUTOSTOP_PERIOD =~ ^[0-9]+$ ]]; then
+  AUTOSTOP_PERIOD=10
+  export AUTOSTOP_PERIOD
+  log "Warning: AUTOSTOP_PERIOD is not numeric, set to 10 (seconds)"
+fi
+if [ "$AUTOSTOP_PERIOD" -eq "0" ] ; then
+  AUTOSTOP_PERIOD=10
+  export AUTOSTOP_PERIOD
+  log "Warning: AUTOSTOP_PERIOD must not be 0, set to 10 (seconds)"
+fi
+if ! [[ $AUTOSTOP_TIMEOUT_EST =~ ^[0-9]+$ ]] ; then
+  AUTOSTOP_TIMEOUT_EST=3600
+  export AUTOSTOP_TIMEOUT_EST
+  log "Warning: AUTOSTOP_TIMEOUT_EST is not numeric, set to 3600 (seconds)"
+fi
+if ! [[ $AUTOSTOP_TIMEOUT_INIT =~ ^[0-9]+$ ]] ; then
+  AUTOSTOP_TIMEOUT_INIT=1800
+  export AUTOSTOP_TIMEOUT_INIT
+  log "Warning: AUTOSTOP_TIMEOUT_INIT is not numeric, set to 1800 (seconds)"
+fi
+
+/autostop/autostop-daemon.sh &

scripts/start-configuration

@@ -37,6 +37,11 @@ if isTrue "${ENABLE_AUTOPAUSE}" && isTrue "${EXEC_DIRECTLY:-false}"; then
     exit 1
 fi
 
+if isTrue "${ENABLE_AUTOPAUSE}" && isTrue "${ENABLE_AUTOSTOP}"; then
+    log "ENABLE_AUTOPAUSE=true is incompatible with ENABLE_AUTOSTOP=true"
+    exit 1
+fi
+
 if [[ $PROXY ]]; then
     export http_proxy="$PROXY"
     export https_proxy="$PROXY"
@@ -63,7 +68,7 @@ fi
 
 if ! which java > /dev/null; then
   log "Fixing PATH to include java"
-  PATH="${PATH}:/opt/java/openjdk/bin"
+  PATH="${PATH}:/usr/bin"
 fi
 
 export VERSIONS_JSON=https://launchermeta.mojang.com/mc/game/version_manifest.json
@@ -96,6 +101,10 @@ if isTrue "${ENABLE_AUTOPAUSE}"; then
   ${SCRIPTS:-/}start-autopause
 fi
 
+if isTrue "${ENABLE_AUTOSTOP}"; then
+  ${SCRIPTS:-/}start-autostop
+fi
+
 if versionLessThan 1.7; then
   echo "
 MC_HEALTH_EXTRA_ARGS=(
@@ -115,12 +124,6 @@ case "${TYPE^^}" in
   ;;
 
   FORGE)
-    log "**********************************************************************"
-    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
-    log "         since some mods require Java 8"
-    log "         Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
-    log "         can be fixed with java8"
-    log "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployForge "$@"
   ;;
 
@@ -128,15 +131,7 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployFabric "$@"
   ;;
 
-  FTBA)
-    exec ${SCRIPTS:-/}start-deployFTBA "$@"
-  ;;
-
   FTB|CURSEFORGE)
-    log "**********************************************************************"
-    log "NOTE: Some mods and modpacks may require Java 8."
-    log "      If so, use itzg/minecraft-server:java8"
-    log "**********************************************************************"
     exec ${SCRIPTS:-/}start-deployCF "$@"
   ;;
 
@@ -172,6 +167,10 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployAirplane "$@"
   ;;
 
+  PUFFERFISH)
+    exec ${SCRIPTS:-/}start-deployPufferfish "$@"
+  ;;
+
   CANYON)
     exec ${SCRIPTS:-/}start-deployCanyon "$@"
   ;;
@@ -181,12 +180,6 @@ case "${TYPE^^}" in
   ;;
 
   CRUCIBLE)
-    log "**********************************************************************"
-    log "WARNING: The image tag itzg/minecraft-server:java8 is recommended"
-    log "         since some mods require Java 8"
-    log "         Exception traces reporting ClassCastException: class jdk.internal.loader.ClassLoaders\$AppClassLoader"
-    log "         can be fixed with java8"
-    log "**********************************************************************"
     exec "${SCRIPTS:-/}start-deployCrucible" "$@"
   ;;
 
@@ -194,7 +187,7 @@ case "${TYPE^^}" in
       log "Invalid type: '$TYPE'"
       log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
       log "         CURSEFORGE, SPONGEVANILLA, PURPUR, CUSTOM,"
-      log "         MAGMA, MOHIST, CATSERVER, AIRPLANE, CANYON, LIMBO, CRUCIBLE"
+      log "         MAGMA, MOHIST, CATSERVER, AIRPLANE, PUFFERFISH, CANYON, LIMBO, CRUCIBLE"
       exit 1
   ;;
 

scripts/start-deployAirplane

@@ -6,32 +6,23 @@ isDebugging && set -x
 
 IFS=$'\n\t'
 
-if [ "${VERSION}" != "LATEST" ] && [ "${VERSION}" != "1.16" ] && [ "${VERSION}" != "1.17" ] && [ "${VERSION}" != "PURPUR" ] && [ "${VERSION}" != "PURPUR-1.16" ] ; then
-  log "ERROR: Airplane server type only supports VERSION=LATEST, VERSION=1.17, VERSION=1.16, VERSION=PURPUR or VERSION=PURPUR-1.16. Note that these are branches, not #.#.# versions."
+if [ "${VERSION}" != "LATEST" ] && [ "${VERSION}" != "1.17" ] && [ "${VERSION}" != "PURPUR" ] ; then
+  log "ERROR: Airplane server type only supports VERSION=LATEST, VERSION=1.17, VERSION=PURPUR. Note that these are branches, not #.#.# versions."
   exit 1
 fi
 
 : ${AIRPLANE_BUILD:=lastSuccessfulBuild}
 : ${AIRPLANE_TYPE:=airplane}
 
-if  [ "${VERSION}" = "LATEST" ] || [ "${VERSION}" = "1.17" ]; then
+if [ "${VERSION}" = "LATEST" ] || [ "${VERSION}" = "1.17" ]; then
   AIRPLANE_BRANCH="1.17"
 fi
 
-if [ "${VERSION}" = "1.16" ]; then
-  AIRPLANE_BRANCH="1.16"
-fi
-
 if [ "${VERSION}" = "PURPUR" ]; then
   AIRPLANE_BRANCH="Purpur-1.17"
   AIRPLANE_TYPE="airplanepurpur"
 fi
 
-if [ "${VERSION}" = "PURPUR-1.16" ]; then
-  AIRPLANE_BRANCH="Purpur-1.16"
-  AIRPLANE_TYPE="airplanepurpur"
-fi
-
 log "Using Airplane-${AIRPLANE_BRANCH} branch"
 
 export SERVER=airplane-${AIRPLANE_BRANCH}-${AIRPLANE_BUILD}.jar
@@ -45,8 +36,7 @@ done
 if [ ! -f "$SERVER" ] || isTrue "${FORCE_REDOWNLOAD:-false}"; then
     downloadUrl="https://ci.tivy.ca/job/Airplane-${AIRPLANE_BRANCH}/${AIRPLANE_BUILD}/artifact/launcher-${AIRPLANE_TYPE}.jar"
     log "Downloading Airplane from $downloadUrl ..."
-    curl -fsSL -o "$SERVER" "$downloadUrl"
-    if [ ! -f "$SERVER" ]; then
+    if ! get -o "$SERVER" "$downloadUrl"; then
       log "ERROR: failed to download from $downloadUrl (status=$?)"
       exit 3
     fi

scripts/start-deployCF

@@ -35,11 +35,37 @@ FTB_SERVER_MOD=${FTB_SERVER_MOD:-$CF_SERVER_MOD}
 log "Looking for Feed-The-Beast / CurseForge server modpack."
 requireVar FTB_SERVER_MOD
 
-if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
-  if ! [ -f "${FTB_SERVER_MOD}" ]; then
-    log "ERROR unable to find requested modpack file ${FTB_SERVER_MOD}"
-    exit 2
+downloadModpack() {
+  srv_modpack=${FTB_SERVER_MOD}
+  if isURL "${srv_modpack}"; then
+    log "Downloading modpack from ${srv_modpack}..."
+    if ! srv_modpack=$(get -o /data --output-filename --skip-existing "${srv_modpack}"); then
+      log "ERROR: failed to download modpack"
+      exit 1
+    fi
   fi
+  if [[ "${srv_modpack:0:5}" == "data/" ]]; then
+      # Prepend with "/"
+      srv_modpack="/${srv_modpack}"
+  fi
+  if [[ ! "${srv_modpack:0:1}" == "/" ]]; then
+      # If not an absolute path, assume file is in "/data"
+      srv_modpack=/data/${srv_modpack}
+  fi
+  if [[ ! -f "${srv_modpack}" ]]; then
+      log "FTB server modpack ${srv_modpack} not found."
+      exit 2
+  fi
+  if [[ ! "${srv_modpack: -4}" == ".zip" ]]; then
+      log "FTB server modpack ${srv_modpack} is not a zip archive."
+      log "Please set FTB_SERVER_MOD to a file with a .zip extension."
+      exit 2
+  fi
+  FTB_SERVER_MOD=${srv_modpack}
+}
+
+if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
+  downloadModpack
 
   needsInstall=true
   installMarker=/data/.curseforge-installed
@@ -47,7 +73,7 @@ if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
     if [ "$(cat $installMarker)" != "${FTB_SERVER_MOD}" ]; then
       log "Upgrading modpack"
 
-      serverJar=$(find "${FTB_BASE_DIR}" -not -name "forge*installer.jar" -name "forge*.jar")
+      serverJar=$(find "${FTB_BASE_DIR}" -type f \( -path "*/libraries/*" -o -path "*/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
       if [[ "${serverJar}" ]]; then
         rm -rf "$(dirname "${serverJar}")"/{mods,*.jar,libraries,resources,scripts,config}
       fi
@@ -85,6 +111,8 @@ if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
         exit 2
       fi
 
+      forgeInstallerJar=$(ls -t "${forgeInstallerJar}" | head -1)
+
       log "Installing forge server"
       dirOfInstaller=$(dirname "${forgeInstallerJar}")
       (cd "${dirOfInstaller}"; java -jar "$(basename "${forgeInstallerJar}")" --installServer)
@@ -132,32 +160,9 @@ fi
 # also check for the start script rather than just the folder
 # this allows saving just the world separate from the rest of the data directory
 if [[ $startScriptCount = 0 ]]; then
+  downloadModpack
   srv_modpack=${FTB_SERVER_MOD}
-  if isURL "${srv_modpack}"; then
-    log "Downloading modpack from ${srv_modpack}..."
-    if ! srv_modpack=$(get -o /data --output-filename --skip-existing "${srv_modpack}"); then
-      log "ERROR: failed to download modpack"
-      exit 1
-    fi
-  fi
-  if [[ "${srv_modpack:0:5}" == "data/" ]]; then
-      # Prepend with "/"
-      srv_modpack="/${srv_modpack}"
-  fi
-  if [[ ! "${srv_modpack:0:1}" == "/" ]]; then
-      # If not an absolute path, assume file is in "/data"
-      srv_modpack=/data/${srv_modpack}
-  fi
-  if [[ ! -f "${srv_modpack}" ]]; then
-      log "FTB server modpack ${srv_modpack} not found."
-      exit 2
-  fi
-  if [[ ! "${srv_modpack: -4}" == ".zip" ]]; then
-      log "FTB server modpack ${srv_modpack} is not a zip archive."
-      log "Please set FTB_SERVER_MOD to a file with a .zip extension."
-      exit 2
-  fi
-
+  
   log "Unpacking FTB server modpack ${srv_modpack} ..."
   mkdir -p "${FTB_BASE_DIR}"
   unzip -o "${srv_modpack}" -d "${FTB_BASE_DIR}" | awk '{printf "."} END {print ""}'

scripts/start-deployCrucible

@@ -47,6 +47,7 @@ if [ ! -d "$librariesDir" ]; then
     exit 1
   fi
 
+  mkdir "$librariesDir"
   if ! unzip /tmp/libraries.zip -d "$librariesDir"; then
     log "ERROR: failed to unzip Crucible libraries"
     exit 1

scripts/start-deployFabric

@@ -2,27 +2,31 @@
 set -eu
 
 # shellcheck source=start-utils
-. ${SCRIPTS:-/}start-utils
+. "${SCRIPTS:-/}start-utils"
 
 requireVar VANILLA_VERSION
 export TYPE=FABRIC
-export SERVER=fabric-server-${VANILLA_VERSION}.jar
+: "${FABRIC_INSTALLER_VERSION:=${FABRICVERSION:-LATEST}}"
+: "${FABRIC_INSTALLER:=}"
+: "${FABRIC_INSTALLER_URL:=}"
+: "${FABRIC_LOADER_VERSION:=LATEST}"
 
 isDebugging && set -x
 
-if [[ ! -e ${SERVER} ]]; then
+log "Checking Fabric version information."
+if [[ $FABRIC_INSTALLER ]]; then
+  FABRIC_INSTALLER_VERSION=$(echo -n "$FABRIC_INSTALLER" | mc-image-helper hash)
+elif [[ $FABRIC_INSTALLER_URL ]]; then
+  FABRIC_INSTALLER_VERSION=$(echo -n "$FABRIC_INSTALLER_URL" | mc-image-helper hash)
+elif [[ ${FABRIC_INSTALLER_VERSION^^} = LATEST ]]; then
+  FABRIC_INSTALLER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml)
+fi
 
-  : ${FABRIC_INSTALLER:=}
-  : ${FABRIC_INSTALLER_URL:=}
-  : ${FABRIC_LOADER_VERSION:=LATEST}
-  : ${FABRIC_INSTALLER_VERSION:=${FABRICVERSION:-LATEST}}
+export SERVER=fabric-server-${VANILLA_VERSION}-${FABRIC_INSTALLER_VERSION}.jar
+
+if [ ! \( -e ${SERVER} -a -e "server-${VANILLA_VERSION}.jar" \) ]; then
 
   if [[ -z $FABRIC_INSTALLER && -z $FABRIC_INSTALLER_URL ]]; then
-    log "Checking Fabric version information."
-    if [[ ${FABRIC_INSTALLER_VERSION^^} = LATEST ]]; then
-      FABRIC_INSTALLER_VERSION=$(maven-metadata-release https://maven.fabricmc.net/net/fabricmc/fabric-installer/maven-metadata.xml)
-    fi
-
     FABRIC_INSTALLER="fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
     FABRIC_INSTALLER_URL="https://maven.fabricmc.net/net/fabricmc/fabric-installer/${FABRIC_INSTALLER_VERSION}/fabric-installer-${FABRIC_INSTALLER_VERSION}.jar"
   elif [[ -z $FABRIC_INSTALLER ]]; then
@@ -66,8 +70,12 @@ if [[ ! -e ${SERVER} ]]; then
     exit 10
   fi
 
+  mv server.jar "server-${VANILLA_VERSION}.jar"
   mv fabric-server-launch.jar "${SERVER}"
 fi
 
+# Specify which server jar to run
+echo "serverJar=server-${VANILLA_VERSION}.jar" >  fabric-server-launcher.properties
+
 export FAMILY=FABRIC
-exec ${SCRIPTS:-/}start-setupWorld "$@"
+exec "${SCRIPTS:-/}start-setupWorld" "$@"

scripts/start-deployPufferfish

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+. ${SCRIPTS:-/}start-utils
+set -euo pipefail
+isDebugging && set -x
+
+IFS=$'\n\t'
+
+if [ "${VERSION}" != "LATEST" ] && [ "${VERSION}" != "1.18" ] ; then
+  log "ERROR: Pufferfish server type only supports VERSION=LATEST, VERSION=1.18. Note that these are branches, not #.#.# versions."
+  exit 1
+fi
+
+: ${PUFFERFISH_BUILD:=lastSuccessfulBuild}
+
+if  [ "${VERSION}" = "LATEST" ] || [ "${VERSION}" = "1.18" ]; then
+  PUFFERFISH_BRANCH="1.18"
+  PUFFERFISH_VERSION="1.18.1-R0.1"
+fi
+
+log "Using Pufferfish-${PUFFERFISH_BRANCH} branch"
+
+export SERVER=pufferfish-${PUFFERFISH_BRANCH}-${PUFFERFISH_BUILD}.jar
+
+log "Removing old Pufferfish versions ..."
+shopt -s nullglob
+for f in pufferfish-*.jar; do
+  [[ $f != $SERVER ]] && rm $f
+done
+
+if [ ! -f "$SERVER" ] || isTrue "${FORCE_REDOWNLOAD:-false}"; then
+    artifact="build/libs/pufferfish-paperclip-${PUFFERFISH_VERSION}-SNAPSHOT-reobf.jar"
+    downloadUrl="https://ci.pufferfish.host/job/Pufferfish-${PUFFERFISH_BRANCH}/${PUFFERFISH_BUILD}/artifact/${artifact}"
+    log "Downloading Pufferfish from $downloadUrl ..."
+    if ! get -o "$SERVER" "$downloadUrl"; then
+      log "ERROR: failed to download from $downloadUrl (status=$?)"
+      exit 3
+    fi
+fi
+
+# Normalize on Spigot for later operations
+export TYPE=SPIGOT
+export FAMILY=SPIGOT
+export SKIP_LOG4J_CONFIG=true
+
+exec ${SCRIPTS:-/}start-spiget "$@"

scripts/start-deployPurpur

@@ -2,7 +2,8 @@
 set -euo pipefail
 IFS=$'\n\t'
 
-. ${SCRIPTS:-/}start-utils
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
 isDebugging && set -x
 
 : ${VANILLA_VERSION:?}
@@ -10,12 +11,10 @@ isDebugging && set -x
 : ${FORCE_REDOWNLOAD:=false}
 
 if [[ ${PURPUR_BUILD} == LATEST ]]; then
-  PURPUR_BUILD=$(curl -fsSL "https://api.purpurmc.org/v2/purpur/${VANILLA_VERSION}" |
-    jq -r '.builds.latest' || echo "")
-  if [[ -z ${PURPUR_BUILD} ]]; then
+  if ! PURPUR_BUILD=$(get --json-path=".builds.latest" "https://api.purpurmc.org/v2/purpur/${VANILLA_VERSION}"); then
     log "ERROR: Failed to locate a Purpur build for ${VANILLA_VERSION}."
     log "       Please check if a download is available at https://purpur.pl3x.net/downloads/"
-    exit 3
+    exit 1
   fi
 fi
 
@@ -24,7 +23,7 @@ export SERVER="purpur-${VANILLA_VERSION}-${PURPUR_BUILD}.jar"
 if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
     downloadUrl="https://api.purpurmc.org/v2/purpur/${VANILLA_VERSION}/${PURPUR_BUILD}/download"
     log "Downloading Purpur from $downloadUrl ..."
-    if ! curl -fsSL -o "$SERVER" "$downloadUrl"; then
+    if ! get -o "$SERVER" "$downloadUrl"; then
       log "ERROR: failed to download from $downloadUrl (status=$?)"
       exit 3
     fi
@@ -35,4 +34,4 @@ export TYPE=SPIGOT
 export FAMILY=SPIGOT
 export SKIP_LOG4J_CONFIG=true
 
-exec ${SCRIPTS:-/}start-spiget "$@"
+exec "${SCRIPTS:-/}start-spiget" "$@"

scripts/start-finalExec

@@ -236,12 +236,6 @@ if isTrue "${USE_AIKAR_FLAGS}"; then
   "
 fi
 
-if isTrue "${USE_LARGE_PAGES}"; then
-  JVM_XX_OPTS="${JVM_XX_OPTS}
-  -XX:+UseLargePagesInMetaspace
-  "
-fi
-
 if isTrue "${USE_FLARE_FLAGS}"; then
   JVM_XX_OPTS="${JVM_XX_OPTS}
   -XX:+UnlockDiagnosticVMOptions

scripts/start-setupDatapack

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+set -e -o pipefail
+
+: "${REMOVE_OLD_DATAPACKS:=false}"
+: "${DATAPACKS_FILE:=}"
+: "${REMOVE_OLD_DATAPACKS_DEPTH:=1} "
+: "${REMOVE_OLD_DATAPACKS_INCLUDE:=*.zip}"
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
+isDebugging && set -x
+
+out_dir=/data/${LEVEL:-world}/datapacks
+
+# Remove old datapacks
+if isTrue "${REMOVE_OLD_DATAPACKS}" && [ -z "${DATAPACKS_FILE}" ]; then
+    if [ -d "$out_dir" ]; then
+    find "$out_dir" -mindepth 1 -maxdepth ${REMOVE_OLD_DATAPACKS_DEPTH:-16} -wholename "${REMOVE_OLD_DATAPACKS_INCLUDE:-*}" -not -wholename "${REMOVE_OLD_DATAPACKS_EXCLUDE:-}" -delete
+  fi
+fi
+
+if [[ "$DATAPACKS" ]]; then
+  mkdir -p "$out_dir"
+
+  for i in ${DATAPACKS//,/ }
+  do
+    if isURL "$i"; then
+      log "Downloading datapack $i ..."
+      if ! get -o "${out_dir}" "$i"; then
+        log "ERROR: failed to download from $i into $out_dir"
+        exit 2
+      fi
+    elif [[ -f "$i" && "$i" =~ .*\.zip ]]; then
+      log "Copying datapack located at $i ..."
+      out_file=$(basename "$i")
+      if ! cp "$i" "${out_dir}/$out_file"; then
+        log "ERROR: failed to copy from $i into $out_dir"
+        exit 2
+      fi
+    elif [[ -d "$i" ]]; then
+      log "Copying datapacks from $i ..."
+      cp "$i"/*.zip "${out_dir}"
+    else
+      log "ERROR Invalid URL or path given in DATAPACKS: $i"
+      exit 2
+    fi
+  done
+
+elif [[ "$DATAPACKS_FILE" ]]; then
+  if [ ! -f "$DATAPACKS_FILE" ]; then
+    log "ERROR: given DATAPACKS_FILE file does not exist"
+    exit 2
+  fi
+
+  mkdir -p "$out_dir"
+
+  args=(
+    -o "${out_dir}"
+    --log-progress-each
+    --skip-existing
+    --uris-file "${DATAPACKS_FILE}"
+  )
+  if isTrue "${REMOVE_OLD_DATAPACKS}"; then
+    args+=(
+    --prune-others "${REMOVE_OLD_DATAPACKS_INCLUDE}"
+    --prune-depth "${REMOVE_OLD_DATAPACKS_DEPTH}"
+    )
+  fi
+
+  if ! get "${args[@]}" ; then
+    log "ERROR: failed to retrieve one or more datapacks"
+    exit 1
+  fi
+fi
+
+exec "${SCRIPTS:-/}start-setupModpack" "$@"

scripts/start-setupModpack

@@ -6,6 +6,7 @@ set -e -o pipefail
 : "${MODS_FILE:=}"
 : "${REMOVE_OLD_MODS_DEPTH:=1} "
 : "${REMOVE_OLD_MODS_INCLUDE:=*.jar}"
+sum_file=/data/.generic_pack.sum
 
 # shellcheck source=start-utils
 . "${SCRIPTS:-/}start-utils"
@@ -18,6 +19,7 @@ CURSE_URL_BASE=${CURSE_URL_BASE:-https://minecraft.curseforge.com/projects}
 if isTrue "${REMOVE_OLD_MODS}" && [ -z "${MODS_FILE}" ]; then
   removeOldMods /data/mods
   removeOldMods /data/plugins
+  rm -f "$sum_file"
 fi
 
 # If packwiz url passed, bootstrap packwiz and update mods before other modpack processing
@@ -204,7 +206,6 @@ if [[ "${GENERIC_PACKS}" ]]; then
     fi
   done
 
-  sum_file=/data/.generic_pack.sum
   isDebugging && [ -f "$sum_file}" ] && cat "$sum_file"
   if ! sha256sum -c "${sum_file}" --status 2> /dev/null; then
     base_dir=/tmp/generic_pack_base

scripts/start-setupVanillaTweaks

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+set -e -o pipefail
+
+: "${REMOVE_OLD_VANILLATWEAKS:=false}"
+: "${VANILLATWEAKS_FILE:=}"
+: "${VANILLATWEAKS_SHARECODE:=}"
+: "${REMOVE_OLD_VANILLATWEAKS_DEPTH:=1} "
+: "${REMOVE_OLD_VANILLATWEAKS_INCLUDE:=*.zip}"
+
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
+isDebugging && set -x
+
+out_dir=/data/${LEVEL:-world}/datapacks
+
+# Remove old VANILLATWEAKS
+if isTrue "${REMOVE_OLD_VANILLATWEAKS}" && [ -z "${VANILLATWEAKS_FILE}" ]; then
+    if [ -d "$out_dir" ]; then
+    find "$out_dir" -mindepth 1 -maxdepth ${REMOVE_OLD_VANILLATWEAKS_DEPTH:-16} -wholename "${REMOVE_OLD_VANILLATWEAKS_INCLUDE:-*}" -not -wholename "${REMOVE_OLD_VANILLATWEAKS_EXCLUDE:-}" -delete
+  fi
+fi
+
+# Example: VANILLATWEAKS_SHARECODE=MGr52E
+# Code generated from the UI website, typically a alphanumeric 6 digit code.
+if [[ "$VANILLATWEAKS_SHARECODE" ]]; then
+  VANILLATWEAKS_FILE=/tmp/vanillatweaksfile.json
+  SHARECODE_LOOKUP_URL="https://vanillatweaks.net/assets/server/sharecode.php?code=${VANILLATWEAKS_SHARECODE}"
+  curl -f $SHARECODE_LOOKUP_URL -o $VANILLATWEAKS_FILE
+  if [ ! -f "$VANILLATWEAKS_FILE" ]; then
+    log "ERROR: Unable to use share code provided to retreive vanillatweaks file"
+    exit 2
+  fi
+fi
+
+# Use vanillatweaks file to specify VT and datapacks
+if [[ "$VANILLATWEAKS_FILE" ]]; then
+  if [ ! -f "$VANILLATWEAKS_FILE" ]; then
+    log "ERROR: given VANILLATWEAKS_FILE file does not exist"
+    exit 2
+  fi
+
+  PACKS=$(jq -jc '.packs' $VANILLATWEAKS_FILE)
+  if [ ! "$PACKS" ]; then
+    log "ERROR: unable to retrieve packs from $VANILLATWEAKS_FILE"
+    exit 2
+  fi
+
+  VT_VERSION=$(jq -jc '.version' $VANILLATWEAKS_FILE)
+  if [ ! "$VT_VERSION" ]; then
+    log "ERROR: unable to retrieve version from $VANILLATWEAKS_FILE"
+    exit 2
+  fi
+fi
+
+# Download and unzip packs
+if [[ "$PACKS" ]] && [[ "$VT_VERSION" ]]; then
+  VT_ZIPDATA_URL=https://vanillatweaks.net/assets/server/zipdatapacks.php
+  DOWNLOAD_URL=$(curl -X POST -F "packs=${PACKS}" -F "version=${VT_VERSION}" $VT_ZIPDATA_URL | jq -r '.link')
+  if [ ! "$DOWNLOAD_URL" ]; then
+    log "ERROR: unable to retrieve DOWNLOAD_URL from vanillatweaks.net!"
+    exit 2
+  fi
+
+  TEMPZIP=/tmp/vanillatweaks.zip
+  if ! get -o $TEMPZIP "https://vanillatweaks.net${DOWNLOAD_URL}"; then 
+    log "ERROR: failed to download from ${DOWNLOAD_URL}"
+    exit 2
+  fi
+
+  mkdir -p "$out_dir"
+  if ! unzip -o -d "$out_dir" $TEMPZIP; then
+    log "ERROR: failed to unzip the ${PACKS} from ${$TEMPZIP}"
+  fi
+
+  # clean up files time!
+  rm -f $TEMPZIP
+  # cleans up temp vanilla tweaks file download to get stored packs
+  if [[ "$VANILLATWEAKS_SHARECODE" ]]; then
+    rm -f $VANILLATWEAKS_FILE
+  fi
+fi
+
+exec "${SCRIPTS:-/}start-setupDatapack" "$@"

scripts/start-setupWorld

@@ -69,4 +69,4 @@ if [[ "$WORLD" ]] && ( isTrue "${FORCE_WORLD_COPY}" || [ ! -d "$worldDest" ] );
   fi
 fi
 
-exec "${SCRIPTS:-/}start-setupModpack" "$@"
+exec "${SCRIPTS:-/}start-setupVanillaTweaks" "$@"

scripts/start-spiget

@@ -22,6 +22,20 @@ containsJars() {
   return 1
 }
 
+containsPlugin() {
+  file=${1?}
+
+  pat='plugin.yml$'
+
+  while read -r line; do
+    if [[ $line =~ $pat ]]; then
+      return 0
+    fi
+  done <<<$(unzip -l "$file")
+
+  return 1
+}
+
 getResourceFromSpiget() {
   resource=${1?}
 
@@ -81,9 +95,12 @@ downloadResourceFromSpiget() {
     log "Extracting contents of resource ${resource} into plugins"
     unzip -o -q -d /data/plugins "${tmpfile}"
     rm "${tmpfile}"
-  else
+  elif containsPlugin "${tmpfile}"; then
     log "Moving resource ${resource} into plugins"
     mv "${tmpfile}" "/data/plugins/${resource}.jar"
+  else
+    log "ERROR downloaded resource '${resource}' seems to be not a valid plugin"
+    exit 2
   fi
 
 }

scripts/start-utils

@@ -93,6 +93,14 @@ function logAutopauseAction() {
   echo "[$(date -Iseconds)] [Autopause] $*"
 }
 
+function logAutostop() {
+  echo "[Autostop loop] $*"
+}
+
+function logAutostopAction() {
+  echo "[$(date -Iseconds)] [Autostop] $*"
+}
+
 function normalizeMemSize() {
   local scale=1
   case ${1,,} in

tests/docker-compose.yml

@@ -1,4 +1,4 @@
-version: "3.8"
+version: "3"
 
 services:
   monitor:

tests/generic-packs/docker-compose.yml

@@ -2,14 +2,13 @@ version: "3"
 
 services:
   mc:
-    image: itzg/minecraft-server
+    image: ${IMAGE_TO_TEST:-itzg/minecraft-server}
     environment:
       EULA: "true"
+      SETUP_ONLY: "TRUE"
       GENERIC_PACKS: https://github.com/itzg/mc-image-helper/releases/download/v1.9.5/mc-image-helper-1.9.5.zip,/packs/testing.zip
-      DEBUG: "true"
     volumes:
       - ./packs:/packs
       - data:/data
-
 volumes:
-  data: {}
+  data: {}

tests/test.sh

@@ -1,22 +1,56 @@
 #!/bin/bash
 
+# go to script root directory
 cd "$(dirname "$0")" || exit 1
 
-failed=false
-
+# compose down function for reuse
 down() {
-  docker-compose down -v
+  docker-compose down -v --remove-orphans
 }
 
-docker-compose run monitor || failed=true
-echo "
-Result: failed=$failed"
+fullMinecraftUpTest(){
+  name=$1
+  failed=false
+  # run the monitor to validate the Minecraft image is healthy
+  docker-compose run monitor || failed=true
+  echo "${name} Result: failed=$failed"
 
-if $failed; then
-  docker-compose logs mc
+  # docker-compose logs outputs messages from the specified container
+  if $failed; then
+    docker-compose logs mc
+    down
+    exit 2
+  fi
   down
-  exit 1
-else
-  down
-fi
+}
 
+setupOnlyMinecraftTest(){
+  folder=$1
+  failed=false
+  # run the monitor to validate the Minecraft image is healthy
+  docker-compose --log-level ERROR up --quiet-pull --exit-code-from mc 2>/dev/null || failed=true
+  echo "${folder} Result: failed=$failed"
+
+  # docker-compose logs outputs messages from the specified container
+  if $failed; then
+    docker-compose logs mc
+    down
+    cd ..
+    exit 2
+  fi
+  down
+  cd ..
+}
+
+# run tests on base docker compose and validate mc service with monitor
+fullMinecraftUpTest 'Full Vanilla Test'
+
+# go through each folder to test builds
+FOLDERS=$(ls)
+for folder in $FOLDERS; do
+    # If folder is a directory
+    if [ -d "$folder" ]; then
+      cd "$folder"
+      setupOnlyMinecraftTest $folder
+    fi
+done

tests/vanillatweaks_file/docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3"
+
+services:
+  mc:
+    restart: "no"
+    image: ${IMAGE_TO_TEST:-itzg/minecraft-server}
+    environment:
+      EULA: "TRUE"
+      SETUP_ONLY: "TRUE"
+      VERSION: ${MINECRAFT_VERSION:-LATEST}
+      VANILLATWEAKS_FILE: /config/vanillatweaks-datapacks.json
+      REMOVE_OLD_VANILLATWEAKS: "TRUE"
+    volumes:
+      - ./vanillatweaks-datapacks.json:/config/vanillatweaks-datapacks.json:ro

tests/vanillatweaks_file/vanillatweaks-datapacks.json

@@ -0,0 +1,17 @@
+{
+    "type": "datapacks",
+    "version": "1.18",
+    "packs": {
+        "survival": [
+            "graves",
+            "multiplayer sleep",
+            "afk display",
+            "armor statues",
+            "unlock all recipes",
+            "fast leaf decay",
+            "coordinates hud"
+        ],
+        "items": ["armored elytra"]
+    },
+    "result": "ok"
+}

tests/vanillatweaks_sharecode/docker-compose.yml

@@ -0,0 +1,12 @@
+version: "3"
+
+services:
+  mc:
+    restart: "no"
+    image: ${IMAGE_TO_TEST:-itzg/minecraft-server}
+    environment:
+      EULA: "TRUE"
+      SETUP_ONLY: "TRUE"
+      VERSION: ${MINECRAFT_VERSION:-LATEST}
+      VANILLATWEAKS_SHARECODE: MGr52E
+      REMOVE_OLD_VANILLATWEAKS: "TRUE"