minecraft/dockerfiles/Dockerfile.bukkit
2024-05-28 03:55:52 -04:00

137 lines
4.1 KiB
Docker

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