50 lines
1.5 KiB
Docker
50 lines
1.5 KiB
Docker
# Build
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FROM maven:3.9.6-eclipse-temurin-21 AS builder
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WORKDIR /workspace
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COPY pom.xml .
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RUN --mount=type=cache,target=/root/.m2 mvn dependency:go-offline -B
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COPY src ./src
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RUN --mount=type=cache,target=/root/.m2 mvn clean package -DskipTests
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# Create optimized runtime
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FROM eclipse-temurin:21 AS app-build
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ENV RELEASE=21
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WORKDIR /opt/build
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COPY --from=builder /workspace/target/*.jar ./application.jar
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RUN java -Djarmode=layertools -jar application.jar extract
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RUN $JAVA_HOME/bin/jlink \
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--add-modules $(jdeps --ignore-missing-deps -q -recursive --multi-release ${RELEASE} --print-module-deps -cp 'dependencies/BOOT-INF/lib/*' application.jar),jdk.crypto.ec,jdk.security.auth,jdk.crypto.cryptoki \
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--strip-debug \
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--no-man-pages \
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--no-header-files \
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--compress=2 \
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--output jdk
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# Run
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FROM debian:bookworm-slim
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ARG BUILD_PATH=/opt/build
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ENV JAVA_HOME=/opt/jdk
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ENV PATH="${JAVA_HOME}/bin:${PATH}"
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RUN groupadd --gid 1000 spring-app \
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&& useradd --uid 1000 --gid spring-app --shell /bin/bash --create-home spring-app
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RUN apt-get update && \
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apt-get install -y --no-install-recommends ca-certificates && \
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rm -rf /var/lib/apt/lists/*
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USER spring-app:spring-app
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WORKDIR /opt/workspace
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COPY --from=app-build $BUILD_PATH/jdk $JAVA_HOME
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COPY --from=app-build $BUILD_PATH/spring-boot-loader/ ./
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COPY --from=app-build $BUILD_PATH/dependencies/ ./
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COPY --from=app-build $BUILD_PATH/snapshot-dependencies/ ./
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COPY --from=app-build $BUILD_PATH/application/ ./
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EXPOSE 8080/tcp
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ENTRYPOINT ["java", "org.springframework.boot.loader.launch.JarLauncher"]
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