137 lines
4.1 KiB
Docker
137 lines
4.1 KiB
Docker
# Build from OpenJDK image
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FROM "${JDK_IMAGE:-localhost/minecraft-jdk}":"${JDK_TAG:-latest}" as build
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# Minecraft version
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ARG VERSION=latest
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# Defaults to building Spigot over CraftBukkit
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ARG SPIGOT=true
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# Plugins prefix
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ARG PREFIX="PLUGIN_"
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# SpigotMC BuildTools URL
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ARG BASE_URL="https://hub.spigotmc.org/jenkins/job/BuildTools/"
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ARG ARTIFACT_PATH="lastSuccessfulBuild/artifact/target/BuildTools.jar"
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# Consider turning bStats (https://bStats.org) on but I'm turning it off by
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# default because it collects information
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ARG BSTATS_ENABLED=false
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# Build in common container location
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WORKDIR /build
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# Download and build Spigot using BuildTools
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RUN set -eux && \
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# Grab latest version if not specified
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if [ "$VERSION" = "latest" ]; then \
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VERSION="$( \
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curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json \
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| jq -r '.latest.release' \
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)"; \
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fi && \
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# Download BuildTools.jar
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curl -s -o BuildTools.jar "${BASE_URL}${ARTIFACT_PATH}" && \
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# Build Craftbukkit if SPIGOT is false
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case "$SPIGOT" in \
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true) \
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BUILD_TYPE='SPIGOT' ;; \
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false) \
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BUILD_TYPE='CRAFTBUKKIT' ;; \
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*) \
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echo "[ERROR]: Invalid value for SPIGOT. Set to 'true' or 'false'"; \
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exit 1 ;; \
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esac && \
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# Run BuildTools to build specified version
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java -jar BuildTools.jar --rev "$VERSION" --compile "$BUILD_TYPE" && \
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ln -s \
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"$(echo "$BUILD_TYPE" | tr '[:upper:]' '[:lower:]')-${VERSION}.jar" \
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"server.jar"
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# Move into a directory just for storing plugins
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WORKDIR /plugins
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# Copy in plugins
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COPY ../plugins.json /plugins/
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# Download defined plugins
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RUN set -eux && \
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# Download defined plugins and check against hash
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tmp_downloads="$(mktemp -d)" && \
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# Iterate over all plugins in plugins.json
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jq -c '.plugins[]' plugins.json | while read -r PLUGIN; do \
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# Set variables from plugins.json
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name=$(echo "$PLUGIN" | jq -r '.name') && \
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version=$(echo "$PLUGIN" | jq -r '.version') && \
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# Interpolate instances of '${version}' in the URL
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url=$(echo "$PLUGIN" | jq -r '.url' | sed "s/\${version}/$version/g") && \
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hash=$(echo "$PLUGIN" | jq -r '.hash') && \
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info=$(echo "$PLUGIN" | jq -r '.info_url') && \
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# Extract hash type and value, e.g., `md5:6f5902ac237024bdd0c176cb93063dc4`
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hash_type=$(echo "$hash" | cut -d':' -f1) && \
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hash_value=$(echo "$hash" | cut -d':' -f2-) && \
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# Download and compare the hash
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tmp_file="${tmp_downloads}/${name}-${version}.jar" && \
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curl -s -L "$url" -o "${tmp_file}" && \
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case "$hash_type" in \
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sha256) \
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echo "${hash_value} $tmp_file" | sha256sum -c - || { \
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echo "SHA256 hash mismatch for ${name}-${version}.jar"; \
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rm -rf "$tmp_downloads"; \
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exit 1; \
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} \
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;; \
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md5) \
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echo "${hash_value} $tmp_file" | md5sum -c - || { \
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echo "MD5 hash mismatch for ${name}-${version}.jar"; \
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rm -rf "$tmp_downloads"; \
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exit 1; \
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} \
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;; \
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*) \
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echo "Unsupported hash type: ${hash_type}"; \
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rm -rf "$tmp_downloads"; \
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exit 1; \
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;; \
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esac && \
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mv "$tmp_file" "${name}-${version}.jar"; \
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done && \
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rm -rf "$tmp_downloads"
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# Use OpenJRE image for runtime
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FROM "${JRE_IMAGE:-localhost/minecraft-jre}":"${JRE_TAG:-latest}" as runtime
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# Run as Minecraft user
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USER minecraft
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WORKDIR /app
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# Copy the built bukkit jar from the build stage
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COPY --from=build /build/server.jar /app/server.jar
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# Copy in plugins
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COPY --from=build /plugins/ /app/plugins/
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# Generate initial settings
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RUN java -jar server.jar --initSettings --nogui && \
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# Disable bStats by default
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if [ "$BSTATS_ENABLED" = "false" ]; then \
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mkdir -p /app/plugins/bStats/ && \
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echo "enabled: false" > /app/plugins/bStats/config.yml; \
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fi
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# Back to root to copy the entrypoint in
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USER root
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WORKDIR /app
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# Copy in entrypoint script
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COPY ../entrypoint.sh /usr/local/bin/entrypoint.sh
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RUN chmod +x /usr/local/bin/entrypoint.sh
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# Run app as minecraft user
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USER minecraft
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WORKDIR /app
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# Expose port and run entrypoint script
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EXPOSE 25565
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ENTRYPOINT ["entrypoint.sh"]
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