Create Dockerfile

Author: g-otn

Dockerfile

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+# Java 17 optimized image
+FROM bellsoft/liberica-runtime-container:jre-17-slim-musl
+
+# Creates and switches to non-root user
+ENV APP_USER=app
+# Busybox syntax, which is available in the image
+RUN addgroup -S $APP_USER && adduser -D -g "" -G $APP_USER $APP_USER
+USER app
+
+# Copy .jar to container
+ARG JAR_FILE=target/*.jar
+ENV APP_FOLDER=/opt/app
+WORKDIR $APP_FOLDER
+COPY $JAR_FILE app.jar
+
+# Execute application
+ENTRYPOINT ["java", "-jar", "app.jar"]
+
+EXPOSE 8080