Startup performance for JVM based apps

packs/gradle/Dockerfile

@@ -3,4 +3,4 @@ ENV PORT 8080
 EXPOSE 8080
 COPY build/libs/*.jar /opt/app.jar
 WORKDIR /opt
-CMD ["java", "-jar", "app.jar"]
+ENTRYPOINT exec java -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap $JAVA_OPTS -jar app.jar

packs/gradle/charts/values.yaml

@@ -16,10 +16,10 @@ service:
     fabric8.io/ingress.annotations: "kubernetes.io/ingress.class: nginx"
 resources:
   limits:
-    cpu: 500m
-    memory: 512Mi
+    cpu: 1800m
+    memory: 768Mi
   requests:
-    cpu: 400m
+    cpu: 600m
     memory: 512Mi
 probePath: /actuator/health
 livenessProbe:

packs/maven/Dockerfile

@@ -11,4 +11,5 @@ COPY pom.xml target/lib* /opt/lib/
 # we could do with a better way to know the name - or to always create an app.jar or something
 COPY target/*.jar /opt/app.jar
 WORKDIR /opt
-CMD ["java", "-jar", "app.jar"]
+
+ENTRYPOINT exec java -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap $JAVA_OPTS -jar app.jar

packs/maven/charts/values.yaml

@@ -16,10 +16,10 @@ service:
     fabric8.io/ingress.annotations: "kubernetes.io/ingress.class: nginx"
 resources:
   limits:
-    cpu: 500m
-    memory: 512Mi
+    cpu: 1800m
+    memory: 768Mi
   requests:
-    cpu: 400m
+    cpu: 600m
     memory: 512Mi
 probePath: /actuator/health
 livenessProbe: