fix Elastic Agent does not connect to Kibana
- the healthcheck changes to check a file.
- the entrypoint script shows some messages only on debug mode.
- The elasict-agent binary should have execution permissions.
UNCLASSIFIED - NO CUI
ATTENTION: Immediate action is required to maintain compatibility with P1 services. Please visit https://p1notifications.dso.mil and see the "DSO.MIL Certificates Renewal" announcement under the "Notifications" section for more details.
UNCLASSIFIED - NO CUI