abstract-jib.yaml

# required apiVersion and kind, for compatibility over versions of the cli
apiVersion: jib/v1alpha1
kind: BuildFile

# full base image specification with detail for manifest lists or multiple architectures
from:
  image: "${BASE_IMAGE}@${DIGEST}"

# container environment variables
environment:
  "JDK_JAVA_OPTIONS": "${JVM_FLAGS}"

# container labels
labels:
  # Labels with respect to: https://github.com/opencontainers/image-spec/blob/main/annotations.md
  "org.opencontainers.image.created": "${CREATED}"
  "org.opencontainers.image.authors": "games647"
  "org.opencontainers.image.url": "https://github.com/games647/PaperBox"
  "org.opencontainers.image.documentation": "https://github.com/games647/PaperBox/blob/main/README.md"
  "org.opencontainers.image.source": "https://github.com/games647/PaperBox"
  "org.opencontainers.image.version": "${MC_VERSION}"
  "org.opencontainers.image.revision": "${REVISION}"
  "org.opencontainers.image.vendor": "games647"
  # Paper is licensed under GPL 3 and MIT but not dual licensed (strictly and not or):
  # https://github.com/PaperMC/Paper/blob/master/LICENSE.md
  "org.opencontainers.image.license": "GPL-3.0-or-later and MIT"
  "org.opencontainers.image.title": "PaperMC Minecraft server"
  "org.opencontainers.image.description": "Paper server implementation of the Minecraft server"
  "org.opencontainers.image.base.digest": "${DIGEST}"
  "org.opencontainers.image.base.name": "${BASE_IMAGE}"

## specify exposed ports metadata (port-number/protocol)
exposedPorts:
  - "25565"

entrypoint:
  - "java"
  - "-Dlog4j.configurationFile=log4j-without-file-logging.xml"
  - "-cp"
  - "/app"
  - "io.papermc.paperclip.Main"

cmd:
  # Disable the GUI by default
  - "--nogui"

## file layers of the container
layers:
  entries:
    # Paperclip (server implementation patcher)
    - name: "paperclip libraries"
      files:
        # These licenses are paperclip specific so inject them here
        - src: "Paper/build/libs/temp/clip/META-INF/license/"
          dest: "/app/paperclip/META-INF/license/"
        - src: "Paper/build/libs/temp/clip/paperclip/libs"
          dest: "/app/paperclip/libs"

    - name: "paperclip"
      files:
        # Main class for paperclip
        - src: "Paper/build/libs/temp/clip/META-INF/MANIFEST.MF"
          dest: "/app/META-INF/MANIFEST.MF"
        - src: "Paper/build/libs/temp/clip/io/papermc/paperclip/"
          dest: "/app/io/papermc/paperclip/"

    # Mojang unmodified server
    - name: "vanilla"
      files:
        # Download source with checksum
        - src: "Paper/build/libs/temp/clip/META-INF/download-context"
          dest: "/app/META-INF/download-context"
        # Distributed version file from vanilla server
        - src: "Paper/build/libs/temp/clip/version.json"
          dest: "/app/version.json"
        # This file will be again root owned
        - src: "Paper/.gradle/caches/paperweight/taskCache/downloadServerJar.jar"
          dest: "/home/nonroot/cache/mojang_${MC_VERSION}.jar"

    - name: "libraries"
      files:
        - src: "Paper/build/libs/temp/clip/META-INF/libraries.list"
          dest: "/app/META-INF/libraries.list"
        # Force permission on work dir, because JIB resets the permission for all parent libraries on copy
        # if not set by JIB itself
        # https://github.com/GoogleContainerTools/jib/issues/1257
        - src: "Paper/build/libs/temp/dummy"
          dest: "/home/nonroot/"
          properties:
            # UID/GID of nonroot user
            user: "65532"
            group: "65532"
            # Paperclip complains otherwise about the already existing cache folder
            directoryPermissions: "744"
        - src: "log4j-without-file-logging.xml"
          dest: "/home/nonroot/log4j-without-file-logging.xml"
        - src: "Paper/build/libs/temp/bundler/META-INF/libraries/"
          dest: "/home/nonroot/libraries"
          properties:
            # UID/GID of nonroot user
            user: "65532"
            group: "65532"
            # Only give read of the given files
            filePermissions: "444"
            directoryPermissions: "744"
          includes:
            - '**/*.jar'
            - '**/*.patch'

    - name: "application"
      files:
        # Server specific main class
        - src: "Paper/build/libs/temp/clip/META-INF/main-class"
          dest: "/app/META-INF/main-class"
        # Server patch file
        - src: "Paper/build/libs/temp/clip/META-INF/versions/"
          dest: "/app/META-INF/versions/"
        # Checksums?
        - src: "Paper/build/libs/temp/clip/META-INF/patches.list"
          dest: "/app/META-INF/patches.list"