initial commit

Signed-off-by: Peter Siegmund <developer@mars3142.org>

Dockerfile

@@ -0,0 +1,29 @@
+# Stage that builds the application, a prerequisite for the running stage
+FROM eclipse-temurin:21-jdk-noble AS build
+
+RUN apt-get update -qq
+
+# Stop running as root at this point
+RUN useradd -m app
+WORKDIR /usr/src/app/
+RUN chown app:app /usr/src/app/
+USER app
+
+# Copy all needed project files to a folder
+COPY --chown=app ./gradle/ ./gradle
+COPY --chown=app ./gradlew ./build.gradle ./settings.gradle ./app.json ./
+COPY --chown=app ./src ./src
+
+# Build the production package
+RUN ./gradlew clean build -x test
+
+# Running stage: the part that is used for running the application
+FROM eclipse-temurin:21-jre-noble
+
+RUN useradd -m app
+USER app
+
+COPY --chown=app --from=build /usr/src/app/build/libs/*-SNAPSHOT.jar /usr/app/config.jar
+
+EXPOSE 8080
+CMD ["java", "-jar", "/usr/app/config.jar"]