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Implementing Multi-Stage Builds #16

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15 changes: 12 additions & 3 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,4 +1,13 @@
FROM openjdk:8
# Stage 1: Build the application
FROM maven:3.8.4 AS build
WORKDIR /app
COPY pom.xml .
COPY src ./src
RUN mvn package -DskipTests

# Stage 2: Package the application into a smaller image
FROM openjdk:8-jre-slim
WORKDIR /app
COPY --from=build /app/target/springboot-images-new.jar .
EXPOSE 8080
ADD target/springboot-images-new.jar springboot-images-new.jar
ENTRYPOINT ["java","-jar","/springboot-images-new.jar"]
ENTRYPOINT ["java", "-jar", "springboot-images-new.jar"]