guard/deploy/docker/Dockerfile.paper

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FROM eclipse-temurin:21-jre-noble
ARG PAPER_VERSION=1.21
ARG PAPER_BUILD=latest
RUN apt-get update && apt-get install -y curl jq && rm -rf /var/lib/apt/lists/*
# Download Paper
RUN VERSION="${PAPER_VERSION}" && \
BUILD="${PAPER_BUILD}" && \
BUILDS_JSON=$(curl -s -H "User-Agent: rampart/1.0.0 (https://github.com/loki5512344/rampart)" \
-H "Accept-Encoding: identity" \
"https://fill.papermc.io/v3/projects/paper/versions/${VERSION}/builds") && \
if [ "${BUILD}" = "latest" ]; then \
BUILD=$(echo "${BUILDS_JSON}" | jq -r 'first(.[] | select(.channel == "STABLE") | .id) // empty'); \
fi && \
URL=$(echo "${BUILDS_JSON}" | jq -r --arg b "${BUILD}" 'first(.[] | select(.id == ($b | tonumber)) | .downloads."server:default".url) // empty') && \
curl -fsSLo /opt/paper.jar -H "Accept-Encoding: identity" "${URL}"
COPY deploy/config/server.properties /opt/server.properties
COPY deploy/config/paper-global.yml /opt/paper-global.yml
COPY plugins/paper/build/libs/rampart-paper-*.jar /opt/plugins/
EXPOSE 25566
WORKDIR /opt
CMD ["java", "-jar", "/opt/paper.jar", "--nogui"]