docker-minecraft-server/Dockerfile

# syntax = docker/dockerfile:1.3

ARG BASE_IMAGE=eclipse-temurin:17-jdk
FROM ${BASE_IMAGE}

# CI system should set this to a hash or git revision of the build directory and it's contents to
# ensure consistent cache updates.
ARG BUILD_FILES_REV=1
RUN --mount=target=/build,source=build \
    REV=${BUILD_FILES_REV} /build/run.sh install-packages

RUN --mount=target=/build,source=build \
    REV=${BUILD_FILES_REV} /build/run.sh setup-user

COPY --chmod=644 files/sudoers* /etc/sudoers.d

EXPOSE 25565 25575

# hook into docker BuildKit --platform support
# see https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

ARG EASY_ADD_VER=0.7.1
ADD https://github.com/itzg/easy-add/releases/download/${EASY_ADD_VER}/easy-add_${TARGETOS}_${TARGETARCH}${TARGETVARIANT} /usr/bin/easy-add
RUN chmod +x /usr/bin/easy-add

RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=1.2.0 --var app=restify --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz

RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=1.5.1 --var app=rcon-cli --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz

RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=0.10.3 --var app=mc-monitor --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz

RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=1.8.0 --var app=mc-server-runner --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz

RUN easy-add --var os=${TARGETOS} --var arch=${TARGETARCH}${TARGETVARIANT} \
  --var version=0.1.1 --var app=maven-metadata-release --file {{.app}} \
  --from https://github.com/itzg/{{.app}}/releases/download/{{.version}}/{{.app}}_{{.version}}_{{.os}}_{{.arch}}.tar.gz

ARG MC_HELPER_VERSION=1.16.8
ARG MC_HELPER_BASE_URL=https://github.com/itzg/mc-image-helper/releases/download/v${MC_HELPER_VERSION}
RUN curl -fsSL ${MC_HELPER_BASE_URL}/mc-image-helper-${MC_HELPER_VERSION}.tgz \
  | tar -C /usr/share -zxf - \
  && ln -s /usr/share/mc-image-helper-${MC_HELPER_VERSION}/bin/mc-image-helper /usr/bin

VOLUME ["/data"]
WORKDIR /data

STOPSIGNAL SIGTERM

ENV UID=1000 GID=1000 \
  MEMORY="1G" \
  TYPE=VANILLA VERSION=LATEST \
  ENABLE_RCON=true RCON_PORT=25575 RCON_PASSWORD=minecraft \
  ENABLE_AUTOPAUSE=false AUTOPAUSE_TIMEOUT_EST=3600 AUTOPAUSE_TIMEOUT_KN=120 AUTOPAUSE_TIMEOUT_INIT=600 \
  AUTOPAUSE_PERIOD=10 AUTOPAUSE_KNOCK_INTERFACE=eth0 \
  ENABLE_AUTOSTOP=false AUTOSTOP_TIMEOUT_EST=3600 AUTOSTOP_TIMEOUT_INIT=1800 AUTOSTOP_PERIOD=10

COPY --chmod=755 scripts/start* /
COPY --chmod=755 bin/ /usr/local/bin/
COPY --chmod=755 bin/mc-health /health.sh
COPY --chmod=644 files/server.properties /tmp/server.properties
COPY --chmod=644 files/log4j2.xml /tmp/log4j2.xml
COPY --chmod=755 files/autopause /autopause
COPY --chmod=755 files/autostop /autostop
COPY --chmod=755 files/rconcmds /rconcmds

RUN dos2unix /start* /autopause/* /autostop/* /rconcmds/*

ENTRYPOINT [ "/start" ]
HEALTHCHECK --start-period=1m CMD mc-health