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Every OAuth redirect URI the backend builds is currently http://, whatever scheme the user actually arrived with. There are two Caddy hops in front of the app: the host Caddy terminates TLS and sets X-Forwarded-Proto: https, then proxies to 127.0.0.1:8137 over plain HTTP; the stack LB is the second hop. Caddy preserves an incoming X-Forwarded-* header only when the immediate peer is a trusted proxy, and trusted_proxies was never set here -- so the LB overwrote the header with the scheme of the connection it had just received, which is http. accounts/oauth.py:_redirect_uri builds the callback from x-forwarded-proto, and that URI must match what is registered in the provider's console. Measured on vps2, same request to each hop: direct to web, XFP=https -> https://thermograph.org/api/v2/... through the LB, XFP=https -> http://thermograph.org/api/v2/... through the PATCHED LB -> https://thermograph.org/api/v2/... through the PATCHED LB, no XFP-> http://thermograph.org/api/v2/... The last line is the point of using trusted_proxies rather than hardcoding `header_up X-Forwarded-Proto https`: the LB still reports the truth when nothing in front of it claims otherwise. private_ranges covers 127.0.0.1/8 and the Docker bridge ranges, which is where the host Caddy reaches this container from. The LB binds loopback only, precisely so it cannot be reached un-fronted, so the only party that can set these headers is the host Caddy -- trusting the local peer widens nothing. Applied to beta's LB too. Beta is where a provider change gets tested before it reaches thermograph.org, so it needs the same behaviour or the test is not a test. |
||
|---|---|---|
| .claude | ||
| .forgejo/workflows | ||
| backend | ||
| docs/onboarding | ||
| frontend | ||
| infra | ||
| observability | ||
| .gitignore | ||
| CLAUDE.md | ||
| CUTOVER-NOTES.md | ||
| README.md | ||
thermograph
The Thermograph monorepo — the split repos reunified (2026-07-22) with full history via subtree merges, while keeping everything the split was actually for: per-domain images, per-domain deploys, and an async FE/BE contract.
Domains
| Dir | What | CI |
|---|---|---|
backend/ |
FastAPI graded-climate API, accounts, notifications (Discord bot, push, mail), data pipeline | build-push → image emi/thermograph/backend; deploy |
frontend/ |
Public client: static JS/CSS + SSR pages | same build-push / deploy workflows, matrixed by domain; image emi/thermograph/frontend |
infra/ |
Compose (dev, on vps1) + two Swarm stacks co-resident on vps2 (beta, prod), deploy scripts, terraform, SOPS secrets vault, ops cron | infra-sync (host checkout + secrets render), secrets-guard, ops-cron |
observability/ |
Loki + Grafana + Alloy stack | observability-validate |
thermograph-docs deliberately stays its own repo (ADRs + runbooks, no
build artifacts, different change cadence).
New here?
docs/onboarding/ is the developer onboarding
path: orientation, verified local-setup recipes, a per-domain deep dive, the
cross-service contracts that break silently, the release flow, and a list of
which docs in this repo are currently stale.
How CI stays decoupled
Every workflow in .forgejo/workflows/ is path-filtered to its domain: a
push touching only frontend/** builds/deploys nothing else. Images stay
separate (emi/thermograph/backend, emi/thermograph/frontend, each tagged
sha-<12hex>), deploys stay per-service (infra/deploy/deploy.sh SERVICE=backend|frontend|all), and the API version contract
(GET /api/version, PAYLOAD_VER) still lets FE and BE ship out of lockstep.
The one intentionally coupled piece is pr-build.yml: a single always-running
gate required check that builds only the domains a PR touches (a
path-filtered required check would deadlock auto-merge).
Branch model (unchanged from the split era): PRs → dev, main → beta,
release → prod. Infra isn't environment-staged the same way app images are:
beta's and prod's checkouts (both on vps2) track main; dev's checkout (on
vps1) tracks dev itself, since it's the one environment that isn't a
rehearsal for something downstream.
Before pointing anything live at this repo, read CUTOVER-NOTES.md.