added Dockerfile, example compose and setup script
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prinoX
parent
df0fe0bbed
commit
2dc0974957
28
Dockerfile
28
Dockerfile
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FROM alpine:latest
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ENV MINECRAFT_VERSION= \
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PAPER_BUILD="latest" \
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EULA="false" \
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MC_RAM=""
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RUN apk update && \
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apk add openjdk21-jre && \
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apk add bash && \
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apk add curl && \
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apk add jq
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RUN addgroup -S servergrp
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RUN adduser -S server -G servergrp -D -u 1000
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USER server
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RUN mkdir /home/server/instance
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#RUN chown -hR server:servergrp /home/server/instance
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COPY setup.sh /home/server/
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CMD ["bash", "/home/server/setup.sh"]
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EXPOSE 25565
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VOLUME /home/server/instance
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@ -1,3 +1,5 @@
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# papermc-server-docker
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Dockerized papermc minecraft server
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This repository rpovides a simple way to deploy a papermc minecraft server. Other solutions also make this happen, but this docker image adds the ability to prepare `*.prep` files with predefined whitelist entries and op entries to spin up the minecraft server with everything set up from the start.
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The provides `setup.sh` script will install the latest papermc server for the selected minecraft version and generate the needed `whitelist.json` and `ops.json` files. To make this work simply provide a `whitelist.prep` and `op.prep` file with the desired usernames in the server folder, that you map in the docker container. The script will fetch the uuids of all usernames and setup the whitelist.
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version: "3"
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services:
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server:
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image: papermc-docker
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container_name: YOUR_CONTAINER_NAME
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restart: always
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volumes:
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- "YOUR_SERVER_LOCATION":/server:z
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ports:
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- "YOUR_PORT:25565"
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environment:
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SERVER_MEMORY: "2G"
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EULA: "true"
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SEED: "abc"
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# provide a txt file with the usernames of the players to be whitelisted in the server folder to automatically add them to the whitelist
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WHITELIST: "true"
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MAX_PLAYERS: "20"
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DIFFICULTY: "easy"
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GAMEMODE: "survival"
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MOTD: "A Dockerized Minecraft Server"
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ENFORCE_SECURE_PROFILE: "false"
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138
setup.sh
Executable file
138
setup.sh
Executable file
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#!/bin/bash
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# Enter server directory
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cd /home/server/instance
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# Set nullstrings back to 'latest'
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: ${MINECRAFT_VERSION:='latest'}
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# Lowercase these to avoid 404 errors on wget
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MINECRAFT_VERSION="${MINECRAFT_VERSION,,}"
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PROJECT="paper"
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# prepare performance opts for java
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JAVA_OPTS=" -XX:+UseG1GC -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=30 \
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-XX:G1MaxNewSizePercent=40 \
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-XX:G1HeapRegionSize=8M \
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-XX:G1ReservePercent=20 \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=4 \
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-XX:InitiatingHeapOccupancyPercent=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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-Daikars.new.flags=true \
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-Dusing.aikars.flags=https://mcflags.emc.gs"
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# Get version information and build download URL and jar name
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URL='https://papermc.io/api/v2/projects/paper'
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if [[ $MINECRAFT_VERSION == latest ]]
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then
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# Get the latest MC version
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MINECRAFT_VERSION=$(curl -s https://api.papermc.io/v2/projects/${PROJECT} | \
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jq -r '.versions[-1]')
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fi
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LATEST_BUILD=$(curl -s https://api.papermc.io/v2/projects/${PROJECT}/versions/${MINECRAFT_VERSION}/builds | \
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jq -r '.builds | map(select(.channel == "default") | .build) | .[-1]')
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# update server.jar to latest stable
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if [ "$LATEST_BUILD" != "null" ]; then
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JAR_NAME=${PROJECT}-${MINECRAFT_VERSION}-${LATEST_BUILD}.jar
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PAPERMC_URL="https://api.papermc.io/v2/projects/${PROJECT}/versions/${MINECRAFT_VERSION}/builds/${LATEST_BUILD}/downloads/${JAR_NAME}"
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rm -f *.jar
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# Download the latest Paper version
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curl -o server.jar $PAPERMC_URL
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echo "Download completed"
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else
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echo "No stable build for version $MINECRAFT_VERSION found :("
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fi
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# Update eula.txt with current setting
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echo "eula=${EULA:-false}" > eula.txt
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# Add RAM options to Java options if necessary
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if [[ -n $SERVER_MEMORY ]]
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then
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JAVA_OPTS="-Xms${SERVER_MEMORY} -Xmx${SERVER_MEMORY} $JAVA_OPTS"
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fi
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# prepare server properties
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SERVER_PROPERTIES=/server/server.properties
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if [ -f /server/server.properties ]; then
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mv $SERVER_PROPERTIES $SERVER_PROPERTIES.bkp
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rm $SERVER_PROPERTIES
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touch $SERVER_PROPERTIES
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fi
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if [ -f /server/whitelist.prep ]; then
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echo -n "[" > /server/whitelist.json
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cat /server/whitelist.prep | while read u
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do
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echo "Adding $u to whitelist"
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# get uuid of user
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uuid=$(curl -s https://api.mojang.com/users/profiles/minecraft/$u | jq -r '.id')
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uuid=$(echo "${uuid:0:8}-${uuid:8:4}-${uuid:12:4}-${uuid:16:4}-${uuid:20:12}")
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if [[ $uuid == "null" ]]; then
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echo "User $u not found. Skipping."
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continue
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fi
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# write to whitelist.json
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echo -n "{\"uuid\": \"$uuid\",\"name\": \"$u\"}" >> /server/whitelist.json;
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done
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echo "]" >> /server/whitelist.json
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sed --in-place -e 's/}{/}, {/g' /server/whitelist.json
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fi
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if [ -f /server/op.prep ]; then
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echo "true"
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fi
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if [[ -n $WHITELIST ]]; then
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echo "white-list=$WHITELIST" >> $SERVER_PROPERTIES
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fi
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if [[ -n $SEED ]]; then
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echo "seed=$SEED" >> $SERVER_PROPERTIES
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fi
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if [[ -n $MAX_PLAYERS ]]; then
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echo "max-players=$MAX_PLAYERS" >> $SERVER_PROPERTIES
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fi
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if [[ -n $DIFFICULTY ]]; then
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echo "difficulty=$DIFFICULTY" >> $SERVER_PROPERTIES
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fi
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if [[ -n $GAMEMODE ]]; then
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echo "gamemode=$GAMEMODE" >> $SERVER_PROPERTIES
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fi
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if [[ -n $MOTD ]]; then
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echo "motd=$MOTD" >> $SERVER_PROPERTIES
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fi
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if [[ -n $ENFORCE_SECURE_PROFILE ]]; then
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echo "enforce-secure-profile=$ENFORCE_SECURE_PROFILE" >> $SERVER_PROPERTIES
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fi
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# Start server
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exec java $JAVA_OPTS -jar "server.jar" nogui
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