build(deps): bump docker/setup-buildx-action from 3.12.0 to 4.0.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 3.12.0 to 4.0.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v3.12.0...v4.0.0)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/release.yml

@@ -2,6 +2,7 @@ changelog:
   exclude:
     authors:
       - dependabot
+      - renovate
   categories:
     - title: Enhancements
       labels:

.github/workflows/build.yml

@@ -132,7 +132,7 @@ jobs:
             org.opencontainers.image.authors=Geoff Bourne <itzgeoff@gmail.com>
 
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3.7.0

.github/workflows/issue-label.yml

@@ -1,33 +1,17 @@
-name: Issue labels
+name: Issues notify
 
 on:
   issues:
-    types: [labeled, reopened, closed, deleted]
-
-env:
-  DISCORD_WEBHOOK: ${{ secrets.DISCORD_ISSUES_WEBHOOK }}
+    types:
+      - opened
+      - labeled
+      - unlabeled
+      - closed
 
 jobs:
-  labelNotify:
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    steps:
-      - name: notify on label
-        if: > 
-          github.event.label.name == 'enhancement' 
-          || github.event.label.name == 'bug' 
-          || github.event.label.name == 'help wanted'
-          || github.event.label.name == 'priority/high'
-          || github.event.label.name == 'question'
-          || github.event.label.name == 'status/waiting on upstream'
-        uses: Ilshidur/action-discord@master
-        with:
-          args: "[${{ github.event.issue.title }} (#${{ github.event.issue.number }})](<${{ github.event.issue.html_url }}>) added `${{ github.event.label.name }}` label"
-      - name: notify on action change
-        if: > 
-          github.event.action == 'closed'
-          || github.event.action == 'reopened'
-          || github.event.action == 'deleted'
-        uses: Ilshidur/action-discord@master
-        with:
-          args: "[${{ github.event.issue.title }} (#${{ github.event.issue.number }})](<${{ github.event.issue.html_url }}>) has been `${{ github.event.action }}` by `${{ github.event.sender.login }}`"
+  notify:
+    uses: itzg/github-workflows/.github/workflows/issues-notify-discord.yml@main
+    with:
+      triageLabel: 'status/needs triage'
+    secrets:
+      discordWebhook: "${{secrets.DISCORD_ISSUES_WEBHOOK}}"

.github/workflows/verify-pr.yml

@@ -59,7 +59,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v3.12.0
+        uses: docker/setup-buildx-action@v4.0.0
 
       - name: Confirm multi-arch build
         uses: docker/build-push-action@v6.19.2

.readthedocs.yaml

@@ -1,19 +1,15 @@
 version: 2
 
-python:
-  install:
-    - requirements: docs/requirements.txt
-
 build:
   os: ubuntu-24.04
   tools:
-    python: latest
+    python: "3.14"
   jobs:
     # We recommend using a requirements file for reproducible builds.
     # This is just a quick example to get started.
     # https://docs.readthedocs.io/page/guides/reproducible-builds.html
     install:
-      - pip install zensical
+      - pip install -r docs/requirements.txt
     build:
       html:
         - zensical build

Dockerfile

@@ -25,32 +25,37 @@ EXPOSE 25565
 ARG APPS_REV=1
 ARG GITHUB_BASEURL=https://github.com
 
+# renovate: datasource=github-releases packageName=itzg/easy-add
 ARG EASY_ADD_VERSION=0.8.11
 ADD ${GITHUB_BASEURL}/itzg/easy-add/releases/download/${EASY_ADD_VERSION}/easy-add_${TARGETOS}_${TARGETARCH}${TARGETVARIANT} /usr/bin/easy-add
 RUN chmod +x /usr/bin/easy-add
 
-ARG RESTIFY_VERSION=1.7.11
+# renovate: datasource=github-releases packageName=itzg/restify
+ARG RESTIFY_VERSION=1.7.12
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${RESTIFY_VERSION} --var app=restify --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
+# renovate: datasource=github-releases packageName=itzg/rcon-cli
 ARG RCON_CLI_VERSION=1.7.3
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${RCON_CLI_VERSION} --var app=rcon-cli --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_MONITOR_VERSION=0.16.0
+# renovate: datasource=github-releases packageName=itzg/mc-monitor
+ARG MC_MONITOR_VERSION=0.16.1
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${MC_MONITOR_VERSION} --var app=mc-monitor --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
-ARG MC_SERVER_RUNNER_VERSION=1.14.1
+# renovate: datasource=github-releases packageName=itzg/mc-server-runner
+ARG MC_SERVER_RUNNER_VERSION=1.14.2
 RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
   --var version=${MC_SERVER_RUNNER_VERSION} --var app=mc-server-runner --file {{.app}} \
   --from ${GITHUB_BASEURL}/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz
 
 # renovate: datasource=github-releases packageName=itzg/mc-image-helper versioning=loose
-ARG MC_HELPER_VERSION=1.54.0
+ARG MC_HELPER_VERSION=1.55.2
 ARG MC_HELPER_BASE_URL=${GITHUB_BASEURL}/itzg/mc-image-helper/releases/download/${MC_HELPER_VERSION}
 # used for cache busting local copy of mc-image-helper
 ARG MC_HELPER_REV=1

build/alpine/install-packages.sh

@@ -31,6 +31,7 @@ apk add --no-cache -U \
     libpcap \
     libwebp \
     libcap \
+    numactl \
     ${EXTRA_ALPINE_PACKAGES}
 
 # Download and install patched knockd

build/ubuntu/install-packages.sh

@@ -27,6 +27,7 @@ apt-get install -y \
   lbzip2 \
   nfs-common \
   libpcap0.8 \
+  libnuma1 \
   ${EXTRA_DEB_PACKAGES}
 
 # Install Git LFS

docs/configuration/misc-options.md

@@ -166,7 +166,7 @@ such as:
 
 ## HTTP Proxy
 
-You may configure the use of an HTTP/HTTPS proxy by passing the proxy's "host:port" via the environment variable `PROXY`. In [the example compose file](https://github.com/itzg/docker-minecraft-server/blob/master/examples/docker-compose-proxied.yml) it references a Squid proxy. The host and port can be separately passed via the environment variables `PROXY_HOST` and `PROXY_PORT`. A `|` delimited list of hosts to exclude from proxying can be passed via `PROXY_NON_PROXY_HOSTS`.
+You may configure the use of an HTTP/HTTPS proxy by passing the proxy's "host:port" via the environment variable `PROXY`. In [the example compose file](https://github.com/itzg/docker-minecraft-server/blob/master/examples/proxied/compose.yml) it references a Squid proxy. The host and port can be separately passed via the environment variables `PROXY_HOST` and `PROXY_PORT`. A `|` delimited list of hosts to exclude from proxying can be passed via `PROXY_NON_PROXY_HOSTS`.
 
 ## Using "noconsole" option
 

docs/misc/building.md

@@ -1,4 +1,84 @@
 
+## Simple image additions
+
+You can easily build upon the base image using an inline Dockerfile.
+
+```yaml title="compose.yaml"
+services:
+  mc:
+    build:
+      context: .
+      dockerfile_inline: |
+        FROM itzg/minecraft-server:latest
+
+        RUN apt-get update && apt-get install -y \
+            webp \
+            && rm -rf /var/lib/apt/lists/*
+      pull: true # Always pull new base image
+    pull_policy: build
+    restart: unless-stopped
+    environment:
+      EULA: true
+    ports:
+      - "25565:25565/tcp"
+    volumes:
+      - ./data:/data
+```
+
+Here is an example to add Nvidia GPU support for C2ME:
+
+??? Example "C2ME GPU example"
+    ```yaml title="compose.yaml"
+    
+    services:
+      mc:
+        build:
+          context: .
+          dockerfile_inline: |
+            FROM itzg/minecraft-server:java25
+    
+            # Install OpenCL loader and NVIDIA driver capabilities
+            RUN apt-get update && apt-get install -y \
+                ocl-icd-libopencl1 \
+                opencl-headers \
+                clinfo \
+                && rm -rf /var/lib/apt/lists/*
+    
+            # 1. Create the vendor directory
+            # 2. Tell OpenCL to use the NVIDIA library
+            RUN mkdir -p /etc/OpenCL/vendors && \
+                echo "libnvidia-opencl.so.1" > /etc/OpenCL/vendors/nvidia.icd
+    
+            # Tell the NVIDIA container runtime to expose all GPU capabilities (including compute/utility)
+            ENV NVIDIA_VISIBLE_DEVICES all
+            ENV NVIDIA_DRIVER_CAPABILITIES compute,utility,graphics,video
+    
+            COPY ./mods /mods
+          pull: true # Always pull new base image
+        pull_policy: build
+        restart: unless-stopped
+        deploy:
+          resources:
+            reservations:
+              devices:
+                - driver: nvidia
+                  count: 1
+                  capabilities: [gpu]
+        environment:
+          EULA: true
+          TYPE: "FABRIC"
+          VERSION: 1.21.10
+          MEMORY: 8G
+          MODRINTH_PROJECTS: |-
+            fabric-api
+            c2me
+        ports:
+          - "25565:25565/tcp"
+        volumes:
+          - ./data:/data
+    ```
+
+
 !!! tip "For advanced use only"
 
     This page describes a capability that is not applicable to most users. It is only intended for rare cases when a very specific Java base image is needed or additional packages need to be installed that are not generally applicable or would bloat the image size.

docs/requirements.txt

@@ -11,7 +11,7 @@ mkdocs==1.6.1
 mkdocs-autorefs==1.4.4
 mkdocs-get-deps==0.2.0
 mkdocstrings==1.0.3
-mkdocstrings-python==2.0.2
+mkdocstrings-python==2.0.3
 packaging==26.0
 pathspec==1.0.4
 platformdirs==4.9.2
@@ -22,4 +22,4 @@ PyYAML==6.0.3
 pyyaml_env_tag==1.1
 six==1.17.0
 watchdog==6.0.0
-# zensical @ file:///
+zensical==0.0.24

images.json

@@ -2,7 +2,7 @@
   {
     "tag": "latest",
     "notes": "Always tracks the most recent commit on the main branch",
-    "java": "21",
+    "java": "25",
     "distribution": "ubuntu",
     "jvm": "hotspot",
     "architectures": ["amd64", "arm64"],
@@ -141,4 +141,5 @@
   {"tag": "java8-jdk", "deprecated": true},
   {"tag": "java8-openj9", "deprecated": true},
   {"tag": "java8-graalvm-ce", "deprecated": true}
-]
+
+]

renovate.json5

@@ -11,5 +11,6 @@
         "# renovate: datasource=(?<datasource>[a-z-]+?)(?: packageName=(?<packageName>.+?))?(?: versioning=(?<versioning>[a-z-]+))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
       ]
     }
-  ]
+  ],
+  "labels": ["dependencies"]
 }

scripts/start-deployGTNH

@@ -8,8 +8,11 @@ function getGTNHdownloadPath(){
   gtnh_download_path=""
   current_java_version=$(mc-image-helper java-release)
     
-  if ! packs_data="$(restify --tag=a https://www.gtnewhorizons.com/version-history/ | jq -r '.[].href | select(test("Server"))')"; then
-    logError "Failed to retrieve data from http://downloads.gtnewhorizons.com/ServerPacks/?raw"
+  if ! packs_data="$(
+    curl -fsSL "https://downloads.gtnewhorizons.com/versions.json" \
+      | jq -r '.versions[]?.server? | .[]? | select(type=="string" and test("Server"))'
+  )"; then
+    logError "Failed to retrieve data from https://downloads.gtnewhorizons.com/versions.json"
     exit 1
   fi
   mapfile -t packs <<< "$packs_data"