38 lines
1.1 KiB
Docker
38 lines
1.1 KiB
Docker
FROM debian:stable
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ENV DEBIAN_FRONTEND=noninteractive
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ENV VERSION=1.20.1
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ENV JVM_OPTS="-Xmx2G -Xms1G"
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ENV EULA=false
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# Install dependencies
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RUN apt-get update && \
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apt-get install -y curl default-jre jq && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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# Create minecraft user
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RUN groupadd -g 1000 minecraft && \
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useradd -m -u 1000 -g 1000 -d /home/minecraft minecraft
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# Create directory
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RUN mkdir /app && \
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chown minecraft:minecraft /app
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# Download and verify sha1sum for server.jar
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WORKDIR /app
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RUN curl -s https://launchermeta.mojang.com/mc/game/version_manifest.json \
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| jq -r --arg id "$VERSION" '.versions[] | select(.id == $id) | .url' | xargs curl -s \
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| jq -r '.downloads.server' | tee "/tmp/dl.json" | jq -r '.url' | xargs curl -s -o server.jar \
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&& sha1sum server.jar | awk '{print $1}' | xargs -I{} sh -c '[ "{}" = "$(jq -r .sha1 /tmp/dl.json)" ] && \
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(echo "Checksum matches" && rm /tmp/dl.json) || (echo "Checksum failed" && exit 1)' \
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&& chown minecraft:minecraft server.jar
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USER minecraft
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EXPOSE 25565
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# temp
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RUN echo 'eula=true' > eula.txt
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CMD ["java", "-jar", "server.jar", "nogui"]
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