Sonarqube keeps stopping

adding these details from the cloudwatch logs here as well:
noting the “Process exited with exit value [es]: 143” WARN log

2020.08.25 19:33:06 INFO ce[o.s.s.e.EsClientProvider] Connected to local Elasticsearch: [127.0.0.1:9001]
2020.08.25 19:33:06 INFO ce[o.sonar.db.Database] Create JDBC data source for jdbc:postgresql://sonarqubedb.cihviyekmiqy.us-east-1.rds.amazonaws.com:5432/sonarqube
2020.08.25 19:33:07 INFO ce[o.s.s.p.ServerFileSystemImpl] SonarQube home: /opt/sonarqube
2020.08.25 19:33:07 INFO ce[o.s.c.c.CePluginRepository] Load plugins
2020.08.25 19:33:09 INFO ce[o.s.c.c.ComputeEngineContainerImpl] Running Developer edition
2020.08.25 19:33:09 INFO ce[o.s.ce.app.CeServer] Compute Engine is operational
2020.08.25 19:33:09 INFO app[o.s.a.SchedulerImpl] Process[ce] is up
2020.08.25 19:33:09 INFO app[o.s.a.SchedulerImpl] SonarQube is up
2020.08.25 19:33:12 INFO app[o.s.a.SchedulerImpl] Stopping SonarQube
2020.08.25 19:33:12 INFO ce[o.s.p.ProcessEntryPoint] Gracefully stopping process
2020.08.25 19:33:12 INFO ce[o.s.ce.app.CeServer] Compute Engine is stopping…
2020.08.25 19:33:12 INFO ce[o.s.c.t.CeProcessingSchedulerImpl] Gracefully stopping workers…
2020.08.25 19:33:12 INFO ce[o.s.ce.app.CeServer] Compute Engine is stopped
2020.08.25 19:33:12 INFO app[o.s.a.SchedulerImpl] Process[ce] is stopped
2020.08.25 19:33:13 INFO web[o.s.p.ProcessEntryPoint] Gracefully stopping process
2020.08.25 19:33:13 INFO web[o.s.s.n.NotificationDaemon] Notification service stopped
2020.08.25 19:33:13 INFO web[o.s.s.app.WebServer] WebServer stopped
2020.08.25 19:33:13 INFO app[o.s.a.SchedulerImpl] Process[web] is stopped
2020.08.25 19:33:13 WARN app[o.s.a.p.AbstractManagedProcess] Process exited with exit value [es]: 143
2020.08.25 19:33:13 INFO app[o.s.a.SchedulerImpl] Process[es] is stopped
2020.08.25 19:33:13 INFO app[o.s.a.SchedulerImpl] SonarQube is stopped