mirror of https://github.com/knative/docs.git
28 lines
875 B
Docker
28 lines
875 B
Docker
# Use the official maven/Java 8 image to create a build artifact.
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# https://hub.docker.com/_/maven
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FROM maven:3.5-jdk-8-alpine as builder
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# Copy local code to the container image.
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WORKDIR /app
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COPY pom.xml .
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COPY src ./src
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# Build a release artifact.
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RUN mvn package -DskipTests
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# Use the Official OpenJDK image for a lean production stage of our multi-stage build.
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# https://hub.docker.com/_/openjdk
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# https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds
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FROM openjdk:8-jre-alpine
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# Copy the jar to the production image from the builder stage.
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COPY --from=builder /app/target/helloworld-*.jar /helloworld.jar
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# Configure and document the service HTTP port.
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ENV PORT 8080
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EXPOSE $PORT
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# Run the web service on container startup.
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CMD ["java","-Djava.security.egd=file:/dev/./urandom","-Dserver.port=${PORT}","-jar","/helloworld.jar"]
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