nemotron-3-ultra-550b-a55b:free × roleplay

{ "response": "Take a breath — we've got this, and intermittent 502s after a deploy are almost always traceable, not Docker itself.", "diagnostic_questions": [ "What does the reverse proxy (nginx/Traefik/Caddy) log show at the exact timestamps of the 502s — upstream connection refused, timeout, or protocol error?", "Does the Node process inside the container actually stay running (docker ps shows healthy/restart count stable) or is it crashing and restarting silently?", "Did the new image change the listening port, healthcheck endpoint, or startup command compared to the previous working version?" ], "triage_steps": [ "Tail the reverse proxy access and error logs filtered for 502 responses to capture upstream failure details.", "Run docker stats and docker logs --tail 100 -f <container> on the API container to watch for memory spikes, crashes, or port bind failures.", "Verify the container's exposed port matches the proxy's upstream config and that the healthcheck (if any) passes consistently.", "Compare the new image's Dockerfile/entrypoint against the last known-good tag for port, env vars, and startup script changes.", "If the proxy supports it, temporarily enable upstream keepalive/timeout logging or increase proxy read timeout to rule out slow-start latency." ], "likely_evidence_needed": "Correlated timestamps showing proxy upstream connection refused or timeout coinciding with container restart or port mismatch would confirm the likely cause." }