66 lines
1.7 KiB
Docker
66 lines
1.7 KiB
Docker
FROM rust:1.70-alpine3.18 AS builder
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ARG DI_VER=1.2.5
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WORKDIR /app
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COPY . ./
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RUN apk add --no-cache build-base unzip curl && \
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curl -Lo - "https://github.com/Yelp/dumb-init/archive/refs/tags/v${DI_VER}.tar.gz" | tar -xzf - && \
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cd "dumb-init-${DI_VER}" && \
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make SHELL=/bin/sh && \
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mv dumb-init ..
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RUN cargo build && \
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[ "$(readelf -d target/debug/alex | grep NEEDED | wc -l)" = 0 ]
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# We use ${:-} instead of a default value because the argument is always passed
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# to the build, it'll just be blank most likely
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FROM eclipse-temurin:18-jre-alpine
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# Build arguments
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ARG MC_VERSION=1.19.4
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ARG PAPERMC_VERSION=525
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RUN addgroup -Sg 1000 paper && \
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adduser -SHG paper -u 1000 paper
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# Create worlds and config directory
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WORKDIR /app
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RUN mkdir -p worlds config/cache backups
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# Download server file
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ADD "https://papermc.io/api/v2/projects/paper/versions/$MC_VERSION/builds/$PAPERMC_VERSION/downloads/paper-$MC_VERSION-$PAPERMC_VERSION.jar" server.jar
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# Make sure the server user can access all necessary folders
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RUN chown -R paper:paper /app
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# Store the cache in an anonymous volume, which means it won't get stored in the other volumes
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VOLUME /app/config/cache
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VOLUME /app/backups
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COPY --from=builder /app/dumb-init /bin/dumb-init
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COPY --from=builder /app/target/debug/alex /bin/alex
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RUN chmod +x /bin/alex
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# Default value to keep users from eating up all ram accidentally
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ENV ALEX_XMS=1024 \
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ALEX_XMX=2048 \
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ALEX_JAR=/app/server.jar \
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ALEX_CONFIG_DIR=/app/config \
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ALEX_WORLD_DIR=/app/worlds \
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ALEX_BACKUPS_DIR=/app/backups \
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ALEX_SERVER_VERSION="${MC_VERSION}-${PAPERMC_VERSION}"
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# Document exposed ports
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EXPOSE 25565
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# Switch to non-root user
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USER paper:paper
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ENTRYPOINT ["/bin/dumb-init", "--"]
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CMD ["/bin/alex", "paper"]
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