mirror of
https://github.com/spring-projects/spring-petclinic.git
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64 lines
1.6 KiB
Docker
64 lines
1.6 KiB
Docker
# =========================
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# 1) Build (Maven + JDK 25)
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# =========================
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FROM maven:3.9-eclipse-temurin-25 AS builder
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WORKDIR /app
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# 의존성 캐시
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COPY pom.xml ./
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RUN --mount=type=cache,target=/root/.m2 \
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mvn -q -DskipTests dependency:go-offline
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# 전체 소스 복사
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COPY . .
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# 패키징 (테스트 스킵)
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RUN --mount=type=cache,target=/root/.m2 \
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mvn -q -DskipTests package
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# =========================
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# 2) jlink로 Slim JRE 생성
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# =========================
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FROM eclipse-temurin:25-jdk AS jre
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WORKDIR /jrebuild
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# Fat JAR 복사
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COPY --from=builder /app/target/*.jar ./app.jar
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# jdeps + jlink : Spring Boot + Tomcat용 공통 모듈 세트 포함
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RUN set -eux; \
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DEPS="$(jdeps --ignore-missing-deps --multi-release=25 --print-module-deps app.jar)"; \
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jlink --strip-debug --no-man-pages --no-header-files --compress=2 \
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--add-modules "$DEPS,\
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java.desktop,java.management,jdk.management,java.sql,java.naming,\
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java.logging,java.security.jgss,jdk.security.auth,java.security.sasl,java.instrument,\
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jdk.crypto.ec,jdk.unsupported" \
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--output /opt/jre
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# =========================
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# 3) Runtime (Distroless)
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# =========================
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FROM gcr.io/distroless/base-debian12:nonroot
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WORKDIR /app
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# jlink로 만든 JRE + 앱 복사
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COPY --from=jre /opt/jre /opt/jre
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COPY --from=builder /app/target/*.jar ./app.jar
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# java 실행 경로
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ENV PATH="/opt/jre/bin:${PATH}"
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# JVM 옵션
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ENV JAVA_TOOL_OPTIONS="\
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-XX:+UseContainerSupport \
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-XX:MaxRAMPercentage=75 \
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-XX:+ExitOnOutOfMemoryError \
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-XX:+AlwaysActAsServerClassMachine"
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EXPOSE 8080
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ENTRYPOINT ["java", "-jar", "/app/app.jar"]
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