FROM maven:3-eclipse-temurin-21-jammy AS build

# Install nodejs
RUN apt-get update
RUN apt-get install -y ca-certificates curl gnupg
RUN mkdir -p /etc/apt/keyrings
RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
RUN echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
RUN apt-get update
RUN apt-get install nodejs -y

# Stop running as root at this point
RUN useradd -m vaadin
WORKDIR /usr/src/app/
RUN chown vaadin:vaadin /usr/src/app/
USER vaadin

# Copy pom.xml and prefetch dependencies so a repeated build can continue from the next step with existing dependencies
COPY --chown=vaadin pom.xml ./

# Copy all needed project files to a folder
COPY --chown=vaadin:vaadin src src

# Build the production package, assuming that we validated the version before so no need for running tests again
RUN mvn clean package -DskipTests -Pproduction --batch-mode

# Running stage: the part that is used for running the application
FROM eclipse-temurin:21-jre-jammy
COPY --from=build /usr/src/app/target/*.jar /usr/app/website.jar

RUN useradd -m vaadin
USER vaadin

EXPOSE 8080
CMD ["java", "-jar", "/usr/app/website.jar"]