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Compute the name of the built jar in the Dockerfile #16

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Merged
maysunfaisal merged 1 commit into from
Jan 11, 2023
Merged

Compute the name of the built jar in the Dockerfile #16

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11 changes: 8 additions & 3 deletions docker/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,15 @@ COPY pom.xml .
RUN mvn dependency:go-offline

COPY src src
RUN mvn package -Dmaven.test.skip=true
RUN mvn package -Dmaven.test.skip=true
# compute the created jar name and put it in a known location to copy to the next layer.
# If the user changes pom.xml to have a different version, or artifactId, this will find the jar
RUN grep version /build/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-version
RUN grep artifactId /build/target/maven-archiver/pom.properties | cut -d '=' -f2 >.env-id
RUN mv /build/target/$(cat .env-id)-$(cat .env-version).jar /build/target/export-run-artifact.jar

FROM openjdk:11-jdk
COPY --from=0 /build/target/demo-0.0.1-SNAPSHOT.jar /app/target/demo-0.0.1-SNAPSHOT.jar
COPY --from=0 /build/target/export-run-artifact.jar /app/target/export-run-artifact.jar

EXPOSE 8081
ENTRYPOINT [ "java", "-jar", "/app/target/demo-0.0.1-SNAPSHOT.jar", "--server.port=8081" ]
ENTRYPOINT [ "java", "-jar", "/app/target/export-run-artifact.jar", "--server.port=8081" ]