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Ports frontend/ (Jinja2/FastAPI, ~1180 LOC) to Go with html/template. No climate math, no DB, no auth here -- every route fetches from the backend's /content/* API, so this is I/O-bound glue with no hard-porting wall; the risk was always in reproducing the rendering exactly, not the language. Verified with a golden-HTML diff, not just unit tests: both the Python original and the Go rewrite were run against the same committed fixtures (frontend/tests/fixtures/) and every one of the 11 routes compared byte-for-byte. The only surviving differences after that process are insignificant inter-tag whitespace and one attribute where Go's stricter escaper HTML-encodes an apostrophe Jinja left literal (functionally identical in every browser) -- confirmed programmatically by normalizing whitespace and unescaping before diffing, not by eyeballing. That process caught defects unit tests alone would have missed, because map[string]any has no compile-time field check: - Render-context keys were snake_case throughout (content.py's Jinja convention, ported verbatim) while the templates -- written independently -- read PascalCase fields. A missing map key doesn't error in html/template, it silently renders empty, so this was invisible in every status code and every "it built" signal: title, meta description, canonical URL, OpenGraph tags, the homepage's entire ranked list, and the brand-tag/nav-active state were all blank across every page. Fixed by renaming every key to match each template's own header comment (the authoritative per-page field contract) and, where an API struct's exported fields already matched what a template needed (contentapi.CityInfo, Crumb, HomeRanked, HubCountry, ...), passing the struct straight through instead of hand-rewrapping it in a map -- removes a whole layer of future drift risk, not just this instance of it. - Three pages 500'd outright: `.ToolHref` needed a fully-composed href string, not the bare "lat,lon" fragment the handlers were building; the all-time-records table needed the raw contentapi.AllTimeRecords struct, not a re-wrapped map. - JSON-LD was being double-encoded: `<script type="application/ld+json">` is JAVASCRIPT context to html/template's contextual escaper regardless of the script's `type` attribute, so a template.HTML-typed value placed there gets re-escaped as a quoted JS string instead of emitted raw -- the entire structured-data payload shipped as a JSON string containing JSON, which no crawler would parse as the intended object. Needed template.JS instead, the type that actually means "trusted JS source." The glossary term page's JSON-LD was simply never built at all (the Jinja original assembled it inline in the template rather than through content.py's context dict, and that got lost in translation) -- added. - html/template silently strips literal HTML comments AND JavaScript comments from the parsed output (verified in isolation, zero template actions involved) -- confirmed as real engine behavior, not a bug in either port, so both need a FuncMap function returning template.HTML / template.JS respectively to survive parsing rather than a literal `<!-- -->` or `//` in the template source. Packaging: multi-stage Go build, final image alpine (not distroless -- the Swarm stack's env-entrypoint.sh shim needs bash), 187MB -> 22.6MB. Two defects caught before they reached a host: - The Swarm stack overrides `entrypoint:` with no `command:`, which drops the image's own CMD entirely (Docker/Swarm semantics, not merged) -- env-entrypoint.sh then fell through to its hardcoded `exec uvicorn app:app` fallback, which doesn't exist in this image. Every deploy would have exited 127. Fixed with an explicit `command:` on the stack's frontend service, and corrected the shim's stale comment claiming CMD passes through automatically. - `COPY --chown=thermograph` resolves the group by NAME at copy time; Alpine's `adduser -S` with no `-G` doesn't create a same-named group, so the classic (non-BuildKit) Docker builder -- which this CI runner falls back to, since it installs plain `docker.io` with no buildx plugin -- failed outright. Fixed with an explicit group and numeric --chown. Verification: go build/vet/test -race clean across all packages; the Docker image builds and passes its embedded go test step under both BuildKit and the classic builder; shellcheck 0 findings on the one script touched; rebased onto current main (the ERA5 lake stack landed on both main and dev during this work -- confirmed additive, no overlap with frontend/daemon). |
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| .. | ||
| .claude/skills/key-gaps | ||
| deploy | ||
| lake-iceberg | ||
| terraform | ||
| .env.example | ||
| .gitignore | ||
| .sops.yaml | ||
| ACCESS.md | ||
| CLAUDE.md | ||
| DEPLOY-DEV.md | ||
| DEPLOY.md | ||
| docker-compose.dev.yml | ||
| docker-compose.openmeteo.yml | ||
| docker-compose.yml | ||
| docker-stack.yml | ||
| Makefile | ||
| README.md | ||
thermograph-infra
Infrastructure for Thermograph: Terraform host
provisioning, the SOPS+age secrets vault, Docker Swarm/WireGuard networking,
Forgejo, Caddy, and the deploy scripts that run the already-built app image on
each host. Extracted from the app monorepo (emi/thermograph) — the app repo
owns building and testing the app; this repo owns running it.
terraform/— provisions/configures hosts (SSH-driven by default; an optional GCP-creating module is scaffolded, no live resources yet) and triggers each deploy. Seeterraform/README.md.deploy/secrets/— the git-native SOPS+age secrets vault (every app secret, encrypted at rest, rendered at deploy time). Seedeploy/secrets/README.md.deploy/swarm/,deploy/forgejo/— the 3-node WireGuard/Swarm cluster that hosts Forgejo (git + CI + registry); does not run the app itself. SeeACCESS.mdand the READMEs under each directory.deploy/deploy.sh— pulls the pinned app image (IMAGE_TAG) and rolls the compose stack; invoked by Terraform and by the app repo's.forgejo/workflows/deploy.ymlover SSH.docker-compose*.yml,docker-stack.yml— how the app image runs (compose in production today;docker-stack.ymlis a design record for a possible future Swarm-based app deploy, not currently live).
The app's own source, Dockerfile, and build/test CI stay in the app repo —
this repo never checks out app source; hosts only pull tagged images from the
registry. See ACCESS.md for host access and the Swarm/Forgejo topology, and
terraform/README.md for the day-to-day plan/apply workflow.
Branches & how changes reach each environment
main— what prod and beta run: their/opt/thermographcheckoutsgit reset --hard origin/mainat the start of every deploy (deploy/deploy.sh). A merge tomainreaches those hosts on the next app deploy (or a by-handdeploy.shrun); there is no separate infra deploy trigger.dev— what LAN dev runs:~/thermograph-devresets to it viadeploy/deploy-dev.sh. Keep it fast-forwarded tomain(infra changes are not environment-staged today; the branches exist so LAN dev can trail or lead when needed).release— currently consumed by nothing (prod tracksmain, notrelease). It exists to mirror the app repos' dev→main→release promotion shape if per-environment infra staging is ever wanted; until then, treatmainas live-everywhere.
Note the asymmetry with the app repos: app code IS environment-staged (dev→main→release maps to LAN→beta→prod via image tags), infra is not.