Spigot Dockerfile

Dockerfile

FROM alpine:3.3

ENV SPIGOT_BUILDTOOLS_REV=1.8.8

RUN apk add --no-cache --repository http://dl-1.alpinelinux.org/alpine/edge/community/ tini && rm -rf /var/cache/apk/*

RUN apk add --no-cache openjdk8-jre && rm -rf /var/cache/apk/*

RUN apk add --no-cache --virtual=build-dependencies curl bash git grep && \
    mkdir /tmp/minecraft-builder  && \
    cd /tmp/minecraft-builder && \
    curl -o BuildTools.jar https://hub.spigotmc.org/jenkins/job/BuildTools/lastSuccessfulBuild/artifact/target/BuildTools.jar && \
    bash -c "java -jar BuildTools.jar --rev ${SPIGOT_BUILDTOOLS_REV}" \
    	| egrep --line-buffered -v \
    		-e '^Download(ed|ing):\s+https?://(repo.maven.apache.org|hub.spigotmc.org|oss.sonatype.org|repo.md-5.net)' \
    		-e '^\s*$' \
    		-e '^([0-9/]+\s+K?B\s*)+$' \
    		-e '^INFO:\s+Decompiling class' \
    		-e '^INFO:\s+...\s+done\s*$' \
    		-e '^Extracted:\s+work/decompile' \
    		-e '^Extracted:\s+./apache-maven' \
    	&& \
    mv spigot*.jar /spigot.jar && \
    apk del --no-cache build-dependencies && \
    rm -rf /tmp/* /var/cache/apk/* /root/.m2/

ENV SPIGOT_PORT=25565 \
    SPIGOT_WORLDS_DIR=worlds \
    SPIGOT_JVM_OPTS='-server -Xmx4g -Xms1g' \
    SPIGOT_JVM_PROPERTIES='-Dcom.mojang.eula.agree=true -Djava.security.egd=file:/dev/./urandom' \
    SPIGOT_CONFIG='--port ${SPIGOT_PORT} --world-dir ${SPIGOT_WORLDS_DIR}'

VOLUME ["/minecraft-server"]

EXPOSE ${SPIGOT_PORT}

WORKDIR /minecraft-server

ENTRYPOINT ["tini", "-v", "--"]

CMD ["sh", "-c", "java ${SPIGOT_JVM_OPTS} ${SPIGOT_JVM_PROPERTIES} -jar /spigot.jar $(sh -c \"echo ${SPIGOT_CONFIG}\")"]