Fix PATH to include java when needed

#749

.github/workflows/build-multiarch.yml

@@ -0,0 +1,82 @@
+name: Build and publish multiarch
+on:
+  push:
+    branches:
+      - multiarch
+      - java8-multiarch
+      - multiarch-latest
+      - java15
+      - test/multiarch/*
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+-multiarch"
+      - "[0-9]+.[0-9]+.[0-9]+-multiarch-latest"
+      - "[0-9]+.[0-9]+.[0-9]+-java15"
+
+jobs:
+  docker-buildx:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.2.0
+
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=itzg/minecraft-server
+          VERSION=edge
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          fi
+          if [[ $GITHUB_REF == refs/heads/* ]]; then
+            VERSION=${GITHUB_REF#refs/heads/}
+            if [[ $VERSION == master ]]; then
+              VERSION=latest
+            fi
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION//\//-}"
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=cache_from::${TAGS}
+          echo ::set-output name=version::${VERSION//\//-}
+          echo ::set-output name=cache_version::${VERSION//\//-}
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ steps.prep.outputs.cache_version }}-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-${{ steps.prep.outputs.cache_version }}-
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.prep.outputs.tags }}
+          # ensure latest base image is used
+          pull: true
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+          labels: |
+            org.opencontainers.image.documentation=https://github.com/itzg/docker-minecraft-server
+            org.opencontainers.image.source=https://github.com/itzg/docker-minecraft-server
+            org.opencontainers.image.version=${{ steps.prep.outputs.version }}
+            org.opencontainers.image.revision=${{ github.sha }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/main.yml

@@ -4,23 +4,18 @@ on:
   push:
     branches:
       - master
+      - java8
       - openj9
       - openj9-11
-      - openj9-nightly
       - adopt11
-      - adopt13
-      - adopt14
-      - adopt15
       - test/*
     tags:
       - "[0-9]+.[0-9]+.[0-9]+"
+      - "[0-9]+.[0-9]+.[0-9]+-java8"
       - "[0-9]+.[0-9]+.[0-9]+-openj9"
       - "[0-9]+.[0-9]+.[0-9]+-openj9-11"
       - "[0-9]+.[0-9]+.[0-9]+-openj9-nightly"
       - "[0-9]+.[0-9]+.[0-9]+-adopt11"
-      - "[0-9]+.[0-9]+.[0-9]+-adopt13"
-      - "[0-9]+.[0-9]+.[0-9]+-adopt14"
-      - "[0-9]+.[0-9]+.[0-9]+-adopt15"
 
 jobs:
   test:

Dockerfile

@@ -1,4 +1,4 @@
-FROM adoptopenjdk/openjdk13:alpine-jre
+FROM openjdk:8u212-jre-alpine
 
 LABEL org.opencontainers.image.authors="Geoff Bourne <itzgeoff@gmail.com>"
 
@@ -70,10 +70,10 @@ COPY log4j2.xml /tmp/log4j2.xml
 WORKDIR /data
 
 ENV UID=1000 GID=1000 \
-  MEMORY="1G" \
-  TYPE=VANILLA VERSION=LATEST FORGEVERSION=RECOMMENDED SPONGEBRANCH=STABLE SPONGEVERSION= FABRICVERSION=LATEST LEVEL=world \
-  PVP=true DIFFICULTY=easy ENABLE_RCON=true RCON_PORT=25575 RCON_PASSWORD=minecraft \
-  LEVEL_TYPE=DEFAULT SERVER_PORT=25565 ONLINE_MODE=TRUE SERVER_NAME="Dedicated Server" \
+  JVM_XX_OPTS="-XX:+UseG1GC" MEMORY="1G" \
+  TYPE=VANILLA VERSION=LATEST \
+  ENABLE_RCON=true RCON_PORT=25575 RCON_PASSWORD=minecraft \
+  SERVER_PORT=25565 ONLINE_MODE=TRUE SERVER_NAME="Dedicated Server" \
   ENABLE_AUTOPAUSE=false AUTOPAUSE_TIMEOUT_EST=3600 AUTOPAUSE_TIMEOUT_KN=120 AUTOPAUSE_TIMEOUT_INIT=600 \
   AUTOPAUSE_PERIOD=10 AUTOPAUSE_KNOCK_INTERFACE=eth0
 

README.md

@@ -160,24 +160,31 @@ the server jar remain in the `/data` directory. It is safe to remove those._
 
 To use a different version of Java, please use a docker tag to run your Minecraft server.
 
-| Tag name       | Description                                 | Linux        |
-| -------------- | ------------------------------------------- | ------------ |
-| latest         | **Default**. Uses Java version 8            | Alpine Linux |
-| adopt15        | Uses Java version 15 from AdoptOpenJDK      | Alpine Linux |
-| adopt14        | Uses Java version 14 from AdoptOpenJDK      | Alpine Linux |
-| adopt13        | Uses Java version 13 from AdoptOpenJDK      | Alpine Linux |
-| adopt11        | Uses Java version 11 from AdoptOpenJDK      | Alpine Linux |
-| openj9         | Uses Eclipse OpenJ9 JVM                     | Alpine Linux |
-| openj9-11      | Uses Eclipse OpenJ9 JVM for Java 11         | Alpine Linux |
-| openj9-nightly | Uses Eclipse OpenJ9 JVM testing builds      | Alpine Linux |
-| multiarch      | Uses Java version 8 latest update           | Debian Linux |
-| multiarch-latest | Uses Java version 15 latest update        | Debian Linux |
+| Tag name       | Java version | Linux  | JVM Type | Architecture      |
+| -------------- | -------------|--------|----------|-------------------|
+| latest         | 11           | Alpine | Hotspot  | amd64             |
+| java8          | 8            | Alpine | Hotspot  | amd64             |
+| java8-multiarch | 8           | Debian | Hotspot  | amd64,arm64,armv7 |
+| java15         | 15           | Debian | Hotspot  | amd64,arm64,armv7 |
+| adopt11        | 11           | Alpine | Hotspot  | amd64             |
+| openj9         | 8            | Alpine | OpenJ9   | amd64             |
+| openj9-11      | 11           | Alpine | OpenJ9   | amd64             |
+| multiarch      | 11           | Debian | Hotspot  | amd64,arm64,armv7 |
+| multiarch-latest | 15+        | Debian | Hotspot  | amd64,arm64,armv7 |
 
-For example, to use a Java version 13:
+For example, to use Java version 15 on any supported architecture:
 
-    docker run --name mc itzg/minecraft-server:adopt13
+    docker run --name mc itzg/minecraft-server:java15
 
-Keep in mind that some versions of Minecraft server can't work on the newest versions of Java. Also, FORGE doesn't support openj9 JVM implementation.
+> Keep in mind that some versions of Minecraft server can't work on the newest versions of Java. Also, FORGE doesn't support openj9 JVM implementation.
+
+### Deprecated Image Tags
+
+The following image tags have been deprecated and are no longer receiving updates:
+- adopt13
+- adopt14
+- adopt15
+- openj9-nightly
 
 ## Healthcheck
 
@@ -480,6 +487,30 @@ A [Tuinity](https://github.com/Spottedleaf/Tuinity) server, which is a fork of P
 
 > **NOTE** only `VERSION=LATEST` is supported
 
+## Running a Purpur server
+
+A [Purpur](https://purpur.pl3x.net/) server, which is "a fork of Paper and Tuinity with the goal of providing new and interesting configuration options".
+
+    -e TYPE=PURPUR
+
+> NOTE: the `VERSION` variable is used to lookup a build of Purpur to download
+
+Extra variables:
+- `PURPUR_BUILD=LATEST` : set a specific Purpur build to use
+- `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
+
+## Running a Yatopia server
+
+A [Yatopia](https://github.com/YatopiaMC/Yatopia) server, which is a "blazing fast Tuinity fork with best in class performance".
+
+    -e TYPE=YATOPIA
+
+> NOTE: the `VERSION` variable is used to locate the Yatopia version to download
+
+Extra variables:
+- `RELEASE=stable` : set to `stable` or `latest`
+- `FORCE_REDOWNLOAD=false` : set to true to force the located server jar to be re-downloaded
+
 ## Running a Magma server
 
 A [Magma](https://magmafoundation.org/) server, which is a combination of Forge and PaperMC, can be used with
@@ -508,7 +539,7 @@ A [Catserver](http://catserver.moe/) type server can be used with
 
 ## Running a server with a Feed the Beast modpack
 
-> **NOTE** requires `itzg/minecraft-server:multiarch` image
+> **NOTE** requires one of the Debian based images listed in [the Java versions section](#running-minecraft-server-on-different-java-version).
 
 [Feed the Beast application](https://www.feed-the-beast.com/) modpacks are supported by using `-e TYPE=FTBA` (**note** the "A" at the end of the type). This server type will automatically take care of downloading and installing the modpack and appropriate version of Forge, so the `VERSION` does not need to be specified.
 
@@ -958,7 +989,7 @@ environment variable set to `false`, such as
 ### Level Type and Generator Settings
 
 By default, a standard world is generated with hills, valleys, water, etc. A different level type can
-be configured by setting `LEVEL_TYPE` to an expected type, such as
+be configured by setting `LEVEL_TYPE` to an expected type, for example
 
 - DEFAULT
 - FLAT
@@ -966,6 +997,8 @@ be configured by setting `LEVEL_TYPE` to an expected type, such as
 - AMPLIFIED
 - CUSTOMIZED
 - BUFFET
+- BIOMESOP (Biomes O' Plenty for 1.12 and older)
+- BIOMESOPLENTY (Biomes O' Plenty for 1.15 and above)
 
 Descriptions are available at the [gamepedia](http://minecraft.gamepedia.com/Server.properties).
 
@@ -1096,19 +1129,18 @@ is passed to `docker run`.
 
 ### Memory Limit
 
-By default, the image declares a Java initial and maximum memory limit of 1 GB. There are several
-ways to adjust the memory settings:
+By default, the image declares an initial and maximum Java memory-heap limit of 1 GB. There are several ways to adjust the memory settings:
 
-- `MEMORY`, "1G" by default, can be used to adjust both initial (`Xms`) and max (`Xmx`)
-  memory settings of the JVM
-- `INIT_MEMORY`, independently sets the initial heap size
-- `MAX_MEMORY`, independently sets the max heap size
+- `MEMORY`: "1G" by default, can be used to adjust both initial (`Xms`) and max (`Xmx`) memory heap settings of the JVM
+- `INIT_MEMORY`: independently sets the initial heap size
+- `MAX_MEMORY`: independently sets the max heap size
 
-The values of all three are passed directly to the JVM and support format/units as
-`<size>[g|G|m|M|k|K]`. For example:
+The values of all three are passed directly to the JVM and support format/units as `<size>[g|G|m|M|k|K]`. For example:
 
     -e MEMORY=2G
 
+> NOTE: the settings above only set the Java **heap** limits. Memory resource requests and limits on the overall container should also account for non-heap memory usage. An extra 25% is [a general best practice](https://dzone.com/articles/best-practices-java-memory-arguments-for-container).
+
 ### JVM Options
 
 General JVM options can be passed to the Minecraft Server invocation by passing a `JVM_OPTS`

docker-versions-create.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 #set -x
 # Use this variable to indicate a list of branches that docker hub is watching
-branches_list=('openj9' 'openj9-11' 'openj9-nightly' 'adopt11' 'adopt13' 'adopt14' 'adopt15' 'multiarch' 'multiarch-latest')
+branches_list=('java8' 'java8-multiarch' 'openj9' 'openj9-11' 'adopt11' 'java15' 'multiarch' 'multiarch-latest')
 
 function TrapExit {
   echo "Checking out back in master"

start-configuration

@@ -1,7 +1,13 @@
 #!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
 
 . ${SCRIPTS:-/}start-utils
 
+: ${EULA:=}
+: ${PROXY:=}
+: ${RCON_PASSWORD_FILE:=}
+
 shopt -s nullglob
 
 #umask 002
@@ -134,11 +140,19 @@ case "${TYPE^^}" in
     exec ${SCRIPTS:-/}start-deployCatserver "$@"
   ;;
 
+  PURPUR)
+    exec ${SCRIPTS:-/}start-deployPurpur "$@"
+  ;;
+
+  YATOPIA)
+    exec ${SCRIPTS:-/}start-deployYatopia "$@"
+  ;;
+
   *)
       log "Invalid type: '$TYPE'"
       log "Must be: VANILLA, FORGE, BUKKIT, SPIGOT, PAPER, FTBA (multiarch-only),"
-      log "         CURSE_INSTANCE, CURSEFORGE, SPONGEVANILLA,"
-      log "         CUSTOM, MAGMA, MOHIST, CATSERVER"
+      log "         CURSE_INSTANCE, CURSEFORGE, SPONGEVANILLA, TUINITY, PURPUR"
+      log "         CUSTOM, MAGMA, MOHIST, CATSERVER, YATOPIA"
       exit 1
   ;;
 

start-deployForge

@@ -1,8 +1,8 @@
 #!/bin/bash
 
 . ${SCRIPTS:-/}start-utils
-
 export TYPE=FORGE
+: ${FORGEVERSION:=RECOMMENDED}
 
 if [[ -z $FORGE_INSTALLER && -z $FORGE_INSTALLER_URL ]]; then
   norm=$VANILLA_VERSION

start-deployPaper

@@ -58,7 +58,7 @@ else
 
   log "Removing old PaperMC versions ..."
   paperJarSearchString=${SERVER/$build/[0-9]*}
-  find . -name "$paperJarSearchString" ! -name "$SERVER" -delete -print
+  find . -maxdepth 1 -name "$paperJarSearchString" ! -name "$SERVER" -delete -print
 
   log "Downloading PaperMC $VANILLA_VERSION (build $build) ..."
   curl -fsSL -o "$SERVER" "${zarg[@]}" \

start-deployPurpur

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${VANILLA_VERSION:?}
+: ${PURPUR_BUILD:=LATEST}
+: ${FORCE_REDOWNLOAD:=false}
+
+if [[ ${PURPUR_BUILD} == LATEST ]]; then
+  PURPUR_BUILD=$(curl -fsSL "https://purpur.pl3x.net/api/v1/purpur/${VANILLA_VERSION}" |
+    jq -r '.builds.latest' || echo "")
+  if [[ -z ${PURPUR_BUILD} ]]; then
+    log "ERROR: Failed to locate a Purpur build for ${VANILLA_VERSION}."
+    log "       Please check if a download is available at https://purpur.pl3x.net/downloads/"
+    exit 3
+  fi
+fi
+
+export SERVER="purpur-${VANILLA_VERSION}-${PURPUR_BUILD}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="https://purpur.pl3x.net/api/v1/purpur/${VANILLA_VERSION}/${PURPUR_BUILD}/download"
+    log "Downloading Purpur from $downloadUrl ..."
+    if ! curl -fsSL -o "$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 SKIP_LOG4J_CONFIG=true
+
+# Continue to Final Setup
+exec ${SCRIPTS:-/}start-finalSetupWorld $@

start-deploySpongeVanilla

@@ -3,6 +3,8 @@
 . ${SCRIPTS:-/}start-utils
 
 export TYPE=spongevanilla
+: ${SPONGEBRANCH:=STABLE}
+: ${SPONGEVERSION:=}
 
 # Parse branch
 log "Choosing branch for Sponge"

start-deployTuinity

@@ -20,7 +20,7 @@ if [ ! -f "$SERVER" ] || [ -n "$FORCE_REDOWNLOAD" ]; then
     fi
 fi
 
-# Normalize on Spigot for operations below
+# Normalize on Spigot for later operations
 export TYPE=SPIGOT
 
 # Continue to Final Setup

start-deployYatopia

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+. ${SCRIPTS:-/}start-utils
+isDebugging && set -x
+
+: ${VANILLA_VERSION:?}
+: ${RELEASE:=stable}
+: ${FORCE_REDOWNLOAD:=false}
+
+requireEnum RELEASE stable latest
+
+export SERVER="yatopia-${RELEASE}-${VANILLA_VERSION}.jar"
+
+if [ ! -f "$SERVER" ] || isTrue "$FORCE_REDOWNLOAD"; then
+    downloadUrl="https://api.yatopiamc.org/v2/${RELEASE}Build/download?branch=ver/${VANILLA_VERSION}"
+    log "Downloading Yatopia from $downloadUrl ..."
+    if ! curl -fsSL -o "$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 SKIP_LOG4J_CONFIG=true
+
+# Continue to Final Setup
+exec ${SCRIPTS:-/}start-finalSetupWorld $@

start-finalSetupServerProperties

@@ -69,7 +69,7 @@ function customizeServerProps {
   setServerProp "max-world-size" "$MAX_WORLD_SIZE"
   setServerProp "level-name" "$LEVEL"
   setServerProp "level-seed" "$SEED"
-  setServerProp "pvp" "$PVP"
+  setServerProp "pvp" "${PVP}"
   setServerProp "generator-settings" "$GENERATOR_SETTINGS"
   setServerProp "online-mode" "$ONLINE_MODE"
   setServerProp "allow-flight" "$ALLOW_FLIGHT"

start-finalSetupWorld

@@ -4,6 +4,9 @@
 set -e
 isDebugging && set -x
 
+: ${LEVEL:=world}
+export LEVEL
+
 if [ $TYPE = "FEED-THE-BEAST" ]; then
   worldDest=$FTB_DIR/$LEVEL
 else

start-minecraftFinalSetup

@@ -168,6 +168,11 @@ function copyFilesForCurseForge() {
   cp -f /data/eula.txt "${FTB_DIR}/"
 }
 
+if ! which java > /dev/null; then
+  log "Fixing PATH to include java"
+  PATH="${PATH}:/usr/lib/jvm/java-1.8-openjdk/jre/bin:/usr/lib/jvm/java-1.8-openjdk/bin"
+fi
+
 mcServerRunnerArgs="--stop-duration ${STOP_DURATION:-60}s"
 if [[ ${TYPE} == "CURSE_INSTANCE" ]]; then
     if isTrue ${DEBUG_EXEC}; then

start-utils

@@ -144,6 +144,20 @@ requireVar() {
   fi
 }
 
+requireEnum() {
+  var=${1?}
+  shift
+
+  for allowed in $*; do
+    if [[ ${!var} = $allowed ]]; then
+      return 0
+    fi
+  done
+
+  log "ERROR: $var must be set to one of $@"
+#  exit 1
+}
+
 function writeEula() {
   if ! echo "# Generated via Docker
 # $(date)