First commit

Dockerfile

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+FROM eclipse-temurin:17-jdk
+
+ARG RUNNABLE_SERVER_JAR
+
+# create directories
+WORKDIR /data
+RUN mkdir bin bundle workdir
+
+# add executable files
+ADD $RUNNABLE_SERVER_JAR bin/paper.jar
+ADD run.sh bin/run.sh
+
+# download paper libraries and apply patches
+RUN java -DbundlerRepoDir=/data/bundle -Dpaperclip.patchonly=true -jar /data/bin/paper.jar
+
+# configure max heap size
+ENV MAXMEM=1024M
+
+EXPOSE 25565
+VOLUME /data/workdir
+
+WORKDIR /data/workdir
+CMD ["sh", "/data/bin/run.sh"]

Readme.md

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+Docker Compose Example
+
+```yml
+version: "3"
+services:
+  paper:
+    image: "cr.pandacube.fr/paper:(version)"
+    container_name: (server name)
+    stdin_open: true # docker run -i
+    tty: true        # docker run -t
+    user: "1000:1000" # uid and gid of owner of working dir 
+    environment:
+      - MAXMEM=2048M # Java max heap size
+    restart: always
+    volumes:
+      - .:/data/workdir
+      - /etc/timezone:/etc/timezone:ro
+      - /etc/localtime:/etc/localtime:ro
+    ports:
+      - "0.0.0.0:(port):25565"
+```

build.sh

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+#!/bin/bash
+
+URL_PROJECT='https://api.papermc.io/v2/projects/paper'
+
+echo "Getting Paper last build id for MC "$MC_VERSION"..."
+
+URL_VERSION=$URL_PROJECT'/versions/'$MC_VERSION
+
+# get paper build version
+if ! curl -s $URL_VERSION -o version_infos.json; then
+	echo -e "Error: Can’t join API"
+    exit 1
+fi
+
+
+if ! jq -r '.builds[-1]' -e < version_infos.json > build_number.txt; then
+	echo -e "API returned an error (probably MC_VERSION is not valid)"
+    exit 1
+fi
+
+PAPER_BUILD=`cat build_number.txt`
+URL_BUILD=$URL_VERSION'/builds/'$PAPER_BUILD
+
+
+DOWNLOAD_REOBF=$URL_BUILD'/downloads/paper-'$MC_VERSION'-'$PAPER_BUILD'.jar'
+
+# the runnable jar is actually paperclip
+RUNNABLE_SERVER_JAR='Paper-'$MC_VERSION'-'$PAPER_BUILD'.jar'
+#UBER_SERVER_JAR='Paper-uberjar-'$MC_VERSION'-'$PAPER_BUILD'.jar'
+
+echo "Downloadling Paperclip for Paper-"$MC_VERSION"-"$PAPER_BUILD"..."
+echo "From "$DOWNLOAD_REOBF
+echo "To "$RUNNABLE_SERVER_JAR
+curl -o $RUNNABLE_SERVER_JAR $DOWNLOAD_REOBF
+
+
+#java -version
+
+# run it to generate final jar, but not launching the actual server (-v option)
+
+#echo "Running Paperclip..."
+#mkdir bundle
+#java -DbundlerRepoDir=bundle -Dpaperclip.patchonly=true -jar $RUNNABLE_SERVER_JAR
+
+
+# important that versions/ comes first. It will be extracted first,
+# and following extraction will not override any file
+#find bundle/versions/ bundle/libraries/ -type f -name '*.jar' > jars.txt
+
+
+DOCKER_TAG="cr.pandacube.fr/paper:"$MC_VERSION"-"$PAPER_BUILD
+echo "Building docker image with pre-downloaded and pre-patched files, with tag "$DOCKER_TAG
+docker build --build-arg RUNNABLE_SERVER_JAR=$RUNNABLE_SERVER_JAR -t $DOCKER_TAG .
+
+#DOCKER_IMAGE_FILE="Paper-docker-"$MC_VERSION"-"$PAPER_BUILD".tar.gz"
+#echo "Saving docker image to "$DOCKER_IMAGE_FILE
+#docker save $DOCKER_TAG | gzip > $DOCKER_IMAGE_FILE
+
+echo "Pushing image to Pandacube’s container registry"
+docker push $DOCKER_TAG
+
+#mkdir uberjar
+#for jar in `cat jars.txt`; do
+#  unzip -d uberjar -nq $jar
+#done
+
+#(
+#  cd uberjar
+#  # exclude some stuff, especially about jar signature and stuff
+#  rm -f META-INF/*.SF META-INF/*.DSA META-INF/*.RSA
+#  # create the uber jar
+#  zip -r '../'$UBER_SERVER_JAR *
+#)
+
+#mvn install:install-file -Dfile=$UBER_SERVER_JAR -DgroupId=io.papermc.paper -DartifactId=paper -Dversion=$MC_VERSION-$PAPER_BUILD-SNAPSHOT -Dpackaging=jar

run.sh

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+#!/bin/sh
+
+exec java -Xmx$MAXMEM -XX:+UseG1GC -XX:+ParallelRefProcEnabled \
+    -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions \
+    -XX:G1ReservePercent=15 -XX:G1NewSizePercent=20 -XX:G1MaxNewSizePercent=30 \
+    -XX:G1HeapRegionSize=8M -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 \
+    -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 \
+    -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 \
+    -XX:MaxHeapFreeRatio=30 -XX:MinHeapFreeRatio=5 \
+    -DbundlerRepoDir=/data/bundle \
+    -jar /data/bin/paper.jar nogui