54 lines
1.5 KiB
Docker
54 lines
1.5 KiB
Docker
# Build stage
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FROM gradle:8.10.1-jdk21 AS build
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WORKDIR /app
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# Copy Gradle wrapper and build files for dependency caching
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COPY gradle/ gradle/
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COPY gradlew gradlew.bat ./
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COPY build.gradle settings.gradle ./
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# Copy source code
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COPY services/auth-service/build.gradle ./services/auth-service/
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COPY services/auth-service/src ./services/auth-service/src/
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# Build the application
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RUN ./gradlew :services:auth-service:bootJar --no-daemon
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# Runtime stage
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FROM eclipse-temurin:21-jre-jammy AS runtime
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# Install curl for health checks (minimal size impact)
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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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# Create non-root user
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RUN groupadd -r spring && useradd -r -g spring spring
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# Set working directory
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WORKDIR /app
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# Copy the JAR from build stage
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COPY --from=build /app/services/auth-service/build/libs/*.jar app.jar
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# Change ownership to non-root user
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RUN chown spring:spring app.jar
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# Switch to non-root user
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USER spring:spring
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# Expose application port (default Spring Boot port, can be overridden via env)
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EXPOSE 8080
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# Health check for Kubernetes (can be overridden by K8s probes)
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HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
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CMD curl -f http://localhost:${SERVER_PORT:-8080}/actuator/health || exit 1
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# Optimize JVM for containers
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ENV JAVA_OPTS="-XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 -XX:+UseG1GC -XX:+UseStringDeduplication"
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# Run the application
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ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]
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