chore(docker): add root Dockerfile pinning ubi8/openjdk-21:1.21 (lionsctl generated tag 1.15 introuvable)

Dockerfile

@@ -0,0 +1,22 @@
+# Dockerfile for lions-user-manager-server-impl-quarkus
+# Used by lionsctl pipeline. Expects `mvn clean package -Pprod` to have produced target/quarkus-app/ (fast-jar).
+FROM registry.access.redhat.com/ubi8/openjdk-21:1.21
+
+ENV LANGUAGE='en_US:en'
+
+COPY --chown=185 target/quarkus-app/lib/      /deployments/lib/
+COPY --chown=185 target/quarkus-app/*.jar     /deployments/
+COPY --chown=185 target/quarkus-app/app/      /deployments/app/
+COPY --chown=185 target/quarkus-app/quarkus/  /deployments/quarkus/
+
+USER 185
+
+EXPOSE 8080
+
+ENV JAVA_OPTS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
+ENV JAVA_APP_JAR="/deployments/quarkus-run.jar"
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=30s --retries=3 \
+  CMD curl -f http://localhost:8080/q/health/live || exit 1
+
+ENTRYPOINT [ "/opt/jboss/container/java/run/run-java.sh" ]