java-docs-samples/appengine-java11/tasks-handler/Dockerfile at spanner · faube/java-docs-samples · GitHub

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# Use the official maven/Java 8 image to create a build artifact.

# https://hub.docker.com/_/maven

FROM maven:3.8-jdk-11 as builder

# Copy local code to the container image.

WORKDIR /app

COPY pom.xml .

COPY src ./src

# Build a release artifact.

RUN mvn package -DskipTests

# Use the Official OpenJDK image for a lean production stage of our multi-stage build.

# https://hub.docker.com/_/openjdk

# https://docs.docker.com/develop/develop-images/multistage-build/#use-multi-stage-builds

FROM openjdk:11-jre-slim

# Copy the jar to the production image from the builder stage.

COPY --from=builder /app/target/task-handler-j11-*.jar /task-handler-j11.jar

# Run the web service on container startup.

CMD ["java","-Djava.security.egd=file:/dev/./urandom","-Dserver.port=${PORT}","-jar","/task-handler-j11.jar"]

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