e0e0281ff4
- Add multi-stage Dockerfile (JDK build, JRE runtime) - Use Eclipse Temurin 21 base images - Configure health check on /health endpoint - Add .dockerignore for efficient builds - Environment variables for config override
52 lines
1.2 KiB
Docker
52 lines
1.2 KiB
Docker
# SummerCMS Docker Build
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# Multi-stage build: JDK for building, JRE for runtime
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# Stage 1: Build
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FROM eclipse-temurin:21-jdk AS builder
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# Install Mill build tool
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# Using ./mill launcher pattern - download specific version
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WORKDIR /app
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# Copy mill launcher and version first for caching
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COPY .mill-version ./
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COPY mill ./
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# Copy build files
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COPY build.mill ./
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# Copy source code
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COPY summercms ./summercms
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# Build fat JAR using local mill launcher
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RUN chmod +x ./mill && ./mill summercms.assembly
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# Stage 2: Runtime
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FROM eclipse-temurin:21-jre
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WORKDIR /app
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# Install curl for health check
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RUN apt-get update && \
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apt-get install -y --no-install-recommends curl && \
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rm -rf /var/lib/apt/lists/*
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# Copy the fat JAR from builder
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COPY --from=builder /app/out/summercms/assembly.dest/out.jar /app/summercms.jar
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# Health check using /health endpoint
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:8080/health || exit 1
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EXPOSE 8080
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# Environment variables for configuration override
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# These can be overridden at runtime with -e flags
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ENV DB_HOST=localhost
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ENV DB_PORT=5432
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ENV DB_NAME=summercms
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ENV DB_USER=summercms
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# Run the application
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ENTRYPOINT ["java", "-jar", "/app/summercms.jar"]
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