Create specific Dockerfiles for Minecraft setups

- Decompose Dockerfile into modular components
- Establish building JRE and JDK images from Docker.java
- Establish Dockerfile.vanilla for vanilla server setup
- Establish Dockerfile.bukkit for Spigot and CraftBukkit
- Establish a comprehensive Makefile for building and managing
- Add docker-compose.build.yml for streamlined image construction
- Use docker-compose.yml to test built images without a volume
This commit is contained in:
2024-05-17 23:58:46 -04:00
parent 297902a686
commit 813b9de410
7 changed files with 269 additions and 104 deletions

View File

@@ -0,0 +1,71 @@
# 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
# SpigotMC BuildTools URL
ARG BASE_URL="https://hub.spigotmc.org/jenkins/job/BuildTools/"
ARG ARTIFACT_PATH="lastSuccessfulBuild/artifact/target/BuildTools.jar"
# Build in common container location
WORKDIR /build
# Download and build Spigot using BuildTools
RUN set -ux && \
# 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"
# 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
# Generate initial settings
RUN java -jar server.jar --initSettings --nogui
# 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"]

View File

@@ -0,0 +1,60 @@
FROM debian:stable-slim
ARG JAVA_RUNTIME
ARG JAVA_VERSION=latest
ENV DEBIAN_FRONTEND=noninteractive
# Install scripting dependencies
RUN apt-get update && \
apt-get install -y curl git gpg jq && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
# Eclipse Adoptium DEB installer package
RUN set -ux && \
# Download the Eclipse Adoptium GPG key
curl -s https://packages.adoptium.net/artifactory/api/gpg/key/public \
| gpg --dearmor | tee /etc/apt/trusted.gpg.d/adoptium.gpg > /dev/null && \
# Configure the Eclipse Adoptium APT repository
VERSION_CODENAME="$(awk -F= '/^VERSION_CODENAME/{print $2}' /etc/os-release)" && \
echo "deb https://packages.adoptium.net/artifactory/deb $VERSION_CODENAME main" \
| tee /etc/apt/sources.list.d/adoptium.list
# Install Adoptium Temurin (OpenJDK/OpenJRE)
RUN set -ux && \
# Grab latest LTS version if not specified
if [ "$JAVA_VERSION" = "latest" ]; then \
JAVA_VERSION="$( \
curl -s https://api.adoptium.net/v3/info/available_releases \
| jq '.most_recent_lts' \
)"; \
fi && \
# Install OpenJDK if JAVA_RUNTIME is false
case "$JAVA_RUNTIME" in \
true) \
JAVA_TYPE='jre' ;; \
false) \
JAVA_TYPE='jdk' ;; \
*) \
echo "ERROR: Invalid value for JAVA_RUNTIME. Set to 'true' or 'false'"; \
exit 1 ;; \
esac && \
# Install the Temurin version
apt-get update && \
apt-get install -y "temurin-$JAVA_VERSION-$JAVA_TYPE" && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
# Create minecraft user for runtime
RUN if [ "$JAVA_RUNTIME" = "true" ]; then \
groupadd -g 1000 minecraft && \
useradd -m -u 1000 -g 1000 -d /app minecraft; \
fi
# Install additional runtime dependencies
RUN if [ "$JAVA_RUNTIME" = "true" ]; then \
apt-get update && \
apt-get install -y procps screen strace && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*; \
fi

View File

@@ -0,0 +1,49 @@
FROM "${JRE_IMAGE:-localhost/minecraft-jre}":"${JRE_TAG:-latest}"
# Minecraft version to download
ARG VERSION=latest
# Download files and run as user
USER minecraft
WORKDIR /app
# Download and verify sha1sum for server.jar
RUN set -ux && \
# 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 && \
# Get server.jar based on $VERSION
curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json \
| jq -r --arg id "$VERSION" '.versions[] | select(.id == $id) | .url' \
| xargs curl -s | jq -r '.downloads.server' | tee "/tmp/dl.json" \
| jq -r '.url' | xargs curl -s -o server.jar && \
# Get SHA1 hash of server.jar and compare
SHA1="$(sha1sum server.jar | awk '{print $1}')" && \
EXPECTED="$(jq -r .sha1 /tmp/dl.json)"; rm /tmp/dl.json && \
if [ ! "$SHA1" = "$EXPECTED" ]; then \
echo "[ERROR] SHA1=\"$SHA1\" expected \"$EXPECTED\""; \
exit 1; \
fi
# Generate initial settings
RUN java -jar server.jar --initSettings --nogui
# 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"]