POST /mltk/test_container_connection

Description. Same body shape as POST /mltk/container_connection plus active connectivity verification. Docker is pinged via docker.from_env(...).ping(); Kubernetes attempts to initialize a client. Secrets are encoded into passwords.conf and the connection is then saved.

Response (200).

{
  "status":  "success",
  "message": "Container configurations validated successfully",
  "updated_config": { /* echoed */ }
}

Error (500).

{ "status": "fail", "message": "Failed to validate the configuration details: Could not ping Docker" }