34 lines
941 B
Docker
34 lines
941 B
Docker
# Stage that builds the application, a prerequisite for the running stage
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FROM eclipse-temurin:21-jdk-jammy AS build
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ARG SERVICE_ROOT
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RUN apt-get update -qq
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# Stop running as root at this point
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RUN useradd -m app
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WORKDIR /usr/src/app/
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RUN chown app:app /usr/src/app/
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USER app
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# Copy pom.xml and prefetch dependencies so a repeated build can continue from the next step with existing dependencies
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COPY --chown=app ${SERVICE_ROOT}/.mvn/ .mvn
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COPY --chown=app ${SERVICE_ROOT}/mvnw ${SERVICE_ROOT}/pom.xml ./
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# Copy all needed project files to a folder
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COPY --chown=app:app ${SERVICE_ROOT}/src ./src
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# Build the production package
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RUN ./mvnw --batch-mode clean verify -DskipTests
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# Running stage: the part that is used for running the application
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FROM eclipse-temurin:21-jre-jammy
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RUN useradd -m app
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USER app
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COPY --chown=app --from=build /usr/src/app/target/*.jar /usr/app/app.jar
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EXPOSE 8080
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CMD ["java", "-jar", "/usr/app/app.jar"]
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