27 lines
520 B
Docker
27 lines
520 B
Docker
# Multi-stage build for Spring Boot backend
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FROM maven:3.9-eclipse-temurin-17-alpine AS build
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WORKDIR /app
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# Copy pom.xml and download dependencies (cached layer)
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COPY pom.xml .
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RUN mvn dependency:go-offline -B
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# Copy source code and build
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COPY src ./src
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RUN mvn clean package -DskipTests
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# Runtime stage
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FROM eclipse-temurin:17-jre-alpine
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WORKDIR /app
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# Copy JAR from build stage
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COPY --from=build /app/target/*.jar app.jar
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# Expose port
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EXPOSE 8080
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# Run the application
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ENTRYPOINT ["java", "-jar", "app.jar"]
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