Added papermc config
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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 ${BASE_IMAGE:-'openjdk:17-slim'}
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# Build arguments
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ARG MC_VERSION
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ARG PAPERMC_VERSION
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# Install mcstatus for healthchecks
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RUN apt update && \
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apt install --no-install-recommends -y python3-minimal python3-setuptools python3-pip && \
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python3 -m pip install mcstatus && \
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apt --purge remove -y python3-pip python3-setuptools && \
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apt clean
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# Create worlds and config directory
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WORKDIR /app
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RUN mkdir worlds config
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# Download server file
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ADD "https://papermc.io/api/v2/projects/paper/versions/$MC_VERSION/builds/$PAPERMC_VERSION/downloads/paper-$MC_VERSION-$PAPERMC_VERSION.jar" server.jar
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# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
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VOLUME /app/config/cache
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# Default value to keep users from eating up all ram accidentally
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ENV XMX=4
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ENV MC_VERSION="${MC_VERSION}"
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ENV PAPERMC_VERSION="${PAPERMC_VERSION}"
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# Document exposed ports
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EXPOSE 25565
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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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version: '3.4'
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services:
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app:
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image: 'chewingbever/mc-paper:1.18.1-103'
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build:
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context: paper
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args:
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- 'BASE_IMAGE=openjdk:17-slim'
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- 'MC_VERSION=1.18.1'
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- 'PAPERMC_VERSION=103'
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# These are necessary to make the console work
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stdin_open: true
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tty: true
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deploy:
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mode: 'replicated'
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replicas: 1
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placement:
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constraints:
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- 'node.labels.class==gitea'
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# This makes sure the Minecraft server can never choke my Gitea completely
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resources:
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limits:
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cpus: '4.0'
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environment:
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- 'XMS=4'
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- 'XMX=8'
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ports:
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- '25565:25565'
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volumes:
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config:
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worlds:
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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 ${BASE_IMAGE:-'openjdk:17-slim'}
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# Build arguments
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ARG MC_VERSION
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ARG PAPERMC_VERSION
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# Install mcstatus for healthchecks
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RUN apt update && \
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apt install --no-install-recommends -y python3-minimal python3-setuptools python3-pip && \
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python3 -m pip install mcstatus && \
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apt --purge remove -y python3-pip python3-setuptools && \
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apt clean && \
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groupadd -g 1000 paper && \
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useradd -rMg paper -u 1000 paper
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# Create worlds and config directory
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WORKDIR /app
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RUN mkdir -p worlds config/cache
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# Download server file
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ADD "https://papermc.io/api/v2/projects/paper/versions/$MC_VERSION/builds/$PAPERMC_VERSION/downloads/paper-$MC_VERSION-$PAPERMC_VERSION.jar" server.jar
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# Make sure the server user can access all necessary folders
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RUN chown -R paper:paper /app
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# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
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VOLUME /app/config/cache
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# Default value to keep users from eating up all ram accidentally
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ENV XMX=4
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ENV MC_VERSION="${MC_VERSION}"
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ENV PAPERMC_VERSION="${PAPERMC_VERSION}"
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# Document exposed ports
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EXPOSE 25565
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# Switch to non-root user
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USER paper:paper
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# Entrypoint runs in /app/config
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COPY entrypoint.sh /entrypoint.sh
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WORKDIR /app/config
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ENTRYPOINT /entrypoint.sh
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HEALTHCHECK --interval=30s --timeout=5s --start-period=1m --retries=5 \
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CMD mcstatus localhost:25565 ping
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@ -0,0 +1,37 @@
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#!/usr/bin/env bash
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# Accept the EULA
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echo "eula=true" > /app/config/eula.txt
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# Log the last-used version, so we know which version to use when running it again (e.g. loading the backup)
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echo "${MC_VERSION}, PaperMC v${PAPERMC_VERSION}" >> /app/config/versions.txt
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XMS="${XMS:-$XMX}"
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# Launch the actual server
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exec java \
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-Xms"${XMS}G" \
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-Xmx"${XMX:-$XMS}G" \
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-XX:+UseG1GC \
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-XX:+ParallelRefProcEnabled \
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-XX:MaxGCPauseMillis=200 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+DisableExplicitGC \
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-XX:+AlwaysPreTouch \
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-XX:G1NewSizePercent="$([ $XMS -gt 12 ] && echo 40 || echo 30)" \
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-XX:G1MaxNewSizePercent="$([ $XMS -gt 12 ] && echo 50 || echo 40)" \
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-XX:G1HeapRegionSize="$([ $XMS -gt 12 ] && echo 16 || echo 8)"M \
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-XX:G1ReservePercent="$([ $XMS -gt 12 ] && echo 15 || echo 20)" \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=4 \
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-XX:InitiatingHeapOccupancyPercent="$([ $XMS -gt 12 ] && echo 20 || echo 15)" \
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-XX:G1MixedGCLiveThresholdPercent=90 \
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-XX:G1RSetUpdatingPauseTimePercent=5 \
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-XX:SurvivorRatio=32 \
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-XX:+PerfDisableSharedMem \
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-XX:MaxTenuringThreshold=1 \
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-Dusing.aikars.flags=https://mcflags.emc.gs \
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-Daikars.new.flags=true \
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-jar /app/server.jar \
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--universe /app/worlds \
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--nogui
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