mirror of
https://github.com/spring-projects/spring-petclinic.git
synced 2026-01-23 03:41:12 +00:00
74 lines
No EOL
2.3 KiB
Docker
74 lines
No EOL
2.3 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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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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COPY . .
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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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# 1.5) Whatap Agent unpack stage
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# =========================
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FROM eclipse-temurin:25-jdk AS whatap_agent
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WORKDIR /whatap
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# repo root 하위 whatap/whatap.agent.java.tar.gz 를 넣어둔 상태라고 했으니 그대로 복사
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COPY whatap/whatap.agent.java.tar.gz /tmp/whatap.agent.java.tar.gz
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RUN set -eux; \
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mkdir -p /whatap; \
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tar -xzf /tmp/whatap.agent.java.tar.gz -C /whatap; \
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rm -f /tmp/whatap.agent.java.tar.gz; \
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ls -al /whatap; \
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# 버전이 붙은 jar명을 고정 파일명으로 링크/복사해두면 운영이 편함
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AGENT_JAR="$(ls -1 /whatap/whatap.agent*.jar 2>/dev/null | head -n 1)"; \
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test -n "$AGENT_JAR"; \
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cp -f "$AGENT_JAR" /whatap/whatap.agent.jar
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# =========================
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# 2) jlink로 Slim JRE 생성
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# =========================
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FROM eclipse-temurin:25-jdk AS jre
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WORKDIR /jrebuild
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COPY --from=builder /app/target/*.jar ./app.jar
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RUN set -eux; \
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DEPS="$(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 "$DEPS,\
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java.desktop,java.management,jdk.management,java.sql,java.naming,\
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java.logging,java.security.jgss,jdk.security.auth,java.security.sasl,java.instrument,\
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jdk.crypto.ec,jdk.unsupported" \
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--output /opt/jre
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# =========================
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# 3) Runtime (Distroless)
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# =========================
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FROM gcr.io/distroless/base-debian12:nonroot
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WORKDIR /app
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COPY --from=jre /opt/jre /opt/jre
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COPY --from=builder /app/target/*.jar ./app.jar
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# ✅ Whatap agent 파일도 런타임에 포함
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COPY --from=whatap_agent /whatap /whatap
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ENV PATH="/opt/jre/bin:${PATH}"
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# ✅ -javaagent는 여기서 기본 탑재 (배포에서 덮어써도 됨)
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ENV JAVA_TOOL_OPTIONS="\
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-javaagent:/whatap/whatap.agent.jar \
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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"] |