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self-hosting/minecraft/fabric/Dockerfile

45 lines
1.3 KiB
Docker

ARG BASE_IMAGE
# We use ${:-} instead of a default value because the argument is always passed
# to the build, it'll just be blank most likely
FROM ${BASE_IMAGE:-'openjdk:8-jre-slim'}
# Build arguments
ARG MC_VERSION
ARG FABRIC_VERSION
# Install mcstatus for healthchecks
RUN apt update && \
apt install --no-install-recommends -y python3-minimal python3-setuptools python3-pip && \
python3 -m pip install mcstatus && \
apt --purge remove -y python3-pip python3-setuptools && \
apt clean
# Create worlds and config directory
WORKDIR /app
RUN mkdir worlds config
# Download installer jar
ADD "https://maven.fabricmc.net/net/fabricmc/fabric-installer/$FABRIC_VERSION/fabric-installer-$FABRIC_VERSION.jar" installer.jar
# Install fabric & remove installer
RUN java -jar installer.jar server -downloadMinecraft -mcversion "$MC_VERSION" && \
rm installer.jar
# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
VOLUME /app/config/cache
# Default value to keep users from eating up all ram accidentally
ENV XMX=4
ENV MC_VERSION="${MC_VERSION}"
ENV FABRIC_VERSION="${FABRIC_VERSION}"
# Entrypoint runs in /app/config
COPY entrypoint.sh /entrypoint.sh
WORKDIR /app/config
ENTRYPOINT /entrypoint.sh
HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
CMD mcstatus localhost:25565 ping