3dtours
36cd711302
Two things the studio could not say about itself.
The preset the header has open was painted in the dim text colour, the same grey
as the page name beside it — so the one label up there that changes with the look
read as chrome. It now takes the theme's own accent, the colour the brand mark
and the open tab already carry, which means it follows both the light/dark mode
and the accent group the reader picked, out of the CSS token and with no colour
written into the component.
And an image has no other mark on it: once the frontend tarball is loaded on the
NAS as `:latest`, nothing on the box says which revision came off. The rail now
names the build at its foot — quiet, mono, wrapping rather than widening the
column, and gone under 860px where the rail is the phone's scrolling tab bar
instead of a column.
The name is stamped into the bundle at build time: vite.config reads VERSION
from the environment (`docker compose build frontend --build-arg
VERSION=$(git rev-parse --short HEAD)`) and falls back to the package version
plus the minute it was built, so two builds of the same tree are never the same
name. `ARG VERSION=` in the Dockerfile is the knob; the bare `npm run build` —
dev server, check scripts — still stamps its own time, and the dev server passes
nothing at all, so the line only draws when there is something to say.
Verified:
library-check.mjs — 37 steps, all passed, the two new ones reading the header
off the running studio: the rail foot names the build (0.1.0+202609281504)
and the preset chip's computed colour is the brand's accent, not a grey —
rgb(206, 117, 9) amber, rgb(93, 24, 191) after switching to violet.
scan-nav-check.mjs and roll-walk-check.mjs — all passed. frontend tsc --noEmit
clean. Live 8090 on index-… matching dist/: /, /library and /app 200 with 0
console errors.
ponytail: the name is the package version plus a caller-supplied tag, and nothing
bumps the package version, so the tag is the whole identity — have the release
job write it into package.json if the numbers ever need to mean something.
RecipesCam web — self-contained stack
A Docker-hosted web build of RecipesCam. Everything it needs is in this folder: move it to another machine, run two commands, and the app is up. It does not need the React Native project around it.
cp .env.example .env
docker compose up -d --build
# → http://localhost:8090
What runs where
| Service | Image | Role |
|---|---|---|
frontend |
nginx:1.27-alpine (built by frontend/Dockerfile) |
Static SPA + /api/ reverse proxy |
api |
node:22-slim (built by backend/Dockerfile) |
Accounts + saved recipes, SQLite on ./data |
frontend resolves api through Docker's embedded DNS and proxies /api/* to
it — that is why the API container is named api and why it is not published on
the host. Only ${WEB_PORT:-8090} is exposed.
Photos never leave the browser. The CanvasKit render pipeline (grade, frame, watermarks, JPEG encode) runs in the visitor's tab; the API only stores recipes as JSON.
Layout
docker-compose.yml the stack
.env.example WEB_PORT
data/ SQLite (created on first run, gitignored)
backend/ Fastify + better-sqlite3 API, own Dockerfile
frontend/ Vite + React + CanvasKit SPA, own Dockerfile + nginx.conf
shared/ vendored copies of the app's types + utils (see below)
src/engine/ skiaShim.ts (CanvasKit) + exportEngine.ts (render pipeline)
+ session.ts (localStorage/IndexedDB studio persistence)
Vendored files
frontend/shared/{types/index.ts,utils/*.ts} are byte-identical copies of
src/types/index.ts and ten src/utils/*.ts files from the React Native
project (@shopify/react-native-skia is aliased to src/engine/skiaShim.ts in
vite.config.ts + tsconfig.json, so those files compile unchanged):
cinemaShader colorUtils defaultRecipes exifWrite frameUtils jpegDpi
paramDefs recipeShare skiaImage toneShader.
The landing page needs no CDN: frontend/public/assets/fonts/*.woff2 are the
seven self-hosted faces behind the three font groups the Themes menu offers
(Plus Jakarta Sans / Inter / JetBrains Mono, Fraunces / Be Vietnam Pro /
Courier Prime, Be Vietnam Pro / Space Mono — all SIL OFL, pulled from Google
Fonts, vietnamese + latin + latin-ext subsets), and
frontend/public/assets/samples/s*.jpg are the six placeholder negatives the
film strip, preset tester and QR card show (swap them for real graded stills
whenever we have them). Its one foreign request is the QR image from
api.qrserver.com, which degrades to an empty slot offline.
When the app changes one of them, copy it back in — the renderer is only "parity" for as long as these stay in sync:
cd <repo>/docker/frontend/shared/utils
cp <repo>/src/utils/<name>.ts .
Operations
docker compose logs -f api # API log
docker compose restart api # after backend/src changes (rebuild: --build)
docker compose down # stop; ./data survives
Backup is the ./data folder — that is the whole database.
Checks
curl -s http://localhost:8090/api/health # {"ok":true}
curl -sI http://localhost:8090/ # 200, index.html
Then open the UI, drop a photo in, and confirm the preview shows the picture and
EXPORT downloads a JPEG that opens. The preview going solid black while the
export still reports a plausible size is the one failure mode worth knowing: it
means the CanvasKit GPU surfaces lost their shared GrDirectContext (see
frontend/src/engine/skiaShim.ts), and with no GPU the raster fallback renders
the same pipeline correctly, just slower.