blumeops/docs/tutorials
Erich Blume fe0e913963
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Switch Fly proxy to upstream keepalive pools (#337)
## Summary

- Replace per-request DNS resolution (variable-based `proxy_pass`) with static `upstream` blocks and `keepalive` connection pools
- Reuses TLS connections through the Tailscale tunnel instead of handshaking per request
- Add `mise run fly-reload` for nginx config reload without full redeploy (re-resolves upstream DNS)

## Trade-off

DNS is resolved at config load, not per-request. If Tailscale Ingress pods get new IPs (restart, reschedule), `mise run fly-reload` is needed. A Grafana alert will be added to detect this.

## Still TODO on this branch

- [ ] Grafana alert for upstream unreachable (triggers fly-reload reminder)
- [ ] Docs pass
- [ ] Deploy from branch and verify latency improvement
- [ ] Changelog fragment

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Reviewed-on: #337
2026-04-17 16:39:52 -07:00
..
replication
adding-a-service.md Review adding-a-service tutorial: fix ingress, repoURL, add kustomize and reference card steps 2026-04-08 11:28:46 -07:00
ai-assistance-guide.md
contributing.md
exploring-the-docs.md
expose-service-publicly.md Switch Fly proxy to upstream keepalive pools (#337) 2026-04-17 16:39:52 -07:00
replicating-blumeops.md