48 lines
1.5 KiB
Docker
48 lines
1.5 KiB
Docker
ARG BASE_IMAGE
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# We use ${:-} instead of a default value because the argument is always passed
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# to the build, it'll just be blank most likely
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FROM ${BASE_IMAGE:-'openjdk:8-jre-slim'}
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# Build arguments
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ARG MC_VERSION
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ARG FORGE_VERSION
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# Install mcstatus for healthchecks
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RUN apt update && \
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apt install --no-install-recommends -y python3-minimal python3-setuptools python3-pip && \
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python3 -m pip install mcstatus && \
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apt --purge remove -y python3-pip python3-setuptools && \
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apt clean
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# Create worlds and config directory
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WORKDIR /app
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RUN mkdir worlds config
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# Download installer jar
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ADD "https://files.minecraftforge.net/maven/net/minecraftforge/forge/${MC_VERSION}-${FORGE_VERSION}/forge-${MC_VERSION}-${FORGE_VERSION}-installer.jar" installer.jar
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# Install forge & remove installer
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RUN java -jar installer.jar server --installServer && \
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rm installer.jar installer.jar.log
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# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
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VOLUME /mc/config/cache
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WORKDIR /mc/config
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# Default value to keep users from eating up all ram accidentally
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ENV XMX=4
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ENV MC_VERSION="${MC_VERSION}"
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ENV FORGE_VERSION="${FORGE_VERSION}"
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# Forge doesn't use one single name, so this is needed to know the name of the executable
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ENV FORGE_JAR="forge-${MC_VERSION}-${FORGE_VERSION}.jar"
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# Entrypoint runs in /app/config
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COPY entrypoint.sh /entrypoint.sh
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WORKDIR /app/config
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ENTRYPOINT /entrypoint.sh
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HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
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CMD mcstatus localhost:25565 ping
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