# Stage that builds the application, a prerequisite for the running stage FROM maven:3-openjdk-16-slim as build RUN curl -sL https://deb.nodesource.com/setup_14.x | bash - RUN apt-get update -qq && apt-get install -qq --no-install-recommends nodejs # Stop running as root at this point RUN useradd -m myuser WORKDIR /usr/src/app/ RUN chown myuser:myuser /usr/src/app/ USER myuser # Copy pom.xml and prefetch dependencies so a repeated build can continue from the next step with existing dependencies COPY --chown=myuser pom.xml ./ RUN mvn dependency:go-offline -Pproduction # Copy all needed project files to a folder COPY --chown=myuser:myuser src src COPY --chown=myuser:myuser frontend frontend COPY --chown=myuser:myuser package.json ./ # Using * after the files that are autogenerated so that so build won't fail if they are not yet created COPY --chown=myuser:myuser package-lock.json* pnpm-lock.yaml* webpack.config.js* ./ # Build the production package, assuming that we validated the version before so no need for running tests again RUN mvn clean package -DskipTests -Pproduction # Running stage: the part that is used for running the application FROM openjdk:16-jdk-slim COPY --from=build /usr/src/app/target/*.jar /usr/app/app.jar RUN useradd -m myuser USER myuser EXPOSE 8080 CMD java -jar /usr/app/app.jar