ci(docker): Limit JVM memory usage to prevent OOM errors on Railway

Author: Andre Felipe de Barros Azevedo Nogueira

Dockerfile

@@ -17,4 +17,5 @@ EXPOSE 8081
 
 COPY --from=build /app/target/*.jar app.jar
 
-ENTRYPOINT [ "java", "-jar", "app.jar" ]
+# Adicionando limite de memória no comando para plano free Railway
+ENTRYPOINT ["java", "-Xmx256m", "-Xss512k", "-jar", "app.jar"]