40 lines
930 B
Docker
40 lines
930 B
Docker
# ===== Build Stage =====
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FROM maven:3.9.6-eclipse-temurin-21 AS builder
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WORKDIR /build
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# Copy pom.xml first for better layer caching
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COPY pom.xml .
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RUN mvn dependency:go-offline -B
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# Copy source code
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COPY src ./src
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# Build the application
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RUN mvn clean package -DskipTests -B
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# ===== Runtime Stage =====
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FROM eclipse-temurin:21-jre-jammy
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WORKDIR /app
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# Create non-root user
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RUN groupadd --system spring && \
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useradd --system --gid spring --create-home spring
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# Copy the JAR from build stage
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COPY --from=builder --chown=spring:spring /build/target/*.jar app.jar
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# Switch to non-root user
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USER spring
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# Expose Spring Boot default port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
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CMD curl -f http://localhost:8080/actuator/health || exit 1
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# Run the application
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ENTRYPOINT ["java", "-XX:+UseContainerSupport", "-XX:MaxRAMPercentage=75.0", "-jar", "app.jar"]
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