Add flags: production JVM flag cheat sheet for Spring Boot on JDK 25/27

MaxRAMPercentage vs a hardcoded -Xmx, -XX:-UseContainerSupport, the ActiveProcessorCount lie, and which diagnostic flags are worth leaving on in prod, verified in real Docker containers on JDK 25 and JDK 27. Co-Authored-By: Claude Sonnet 5 <[email protected]>
2026-10-01 04:34:04 +00:00
parent e83c9949d8
commit 2f88734f5d
22 changed files with 832 additions and 0 deletions
@@ -0,0 +1,5 @@
+FROM eclipse-temurin:25-jre
+WORKDIR /app
+COPY flags-demo.jar app.jar
+EXPOSE 8080
+ENTRYPOINT ["java","-jar","/app/app.jar"]