Merge pull request 'fix: use JSON notation for HEALTHCHECK CMD (DL3025)' (#15) from fix/hadolint-DL3025-healthcheck-json into main

Reviewed-on: #15

Dockerfile

@@ -88,7 +88,7 @@ USER hermes
 EXPOSE 8787
 
 HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
-    CMD curl -f http://localhost:8787/health || exit 1
+    CMD ["curl", "-f", "http://localhost:8787/health"]
 
 # Run the WebUI server (which runs Hermes Agent in-process)
 CMD ["python", "/app/server.py"]