Ryan Chou ac52daa454
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Gallery

Static photo gallery for logging meals and food memories.

The site is based on the HTML5 UP Lens template. The front-end remains a mostly static HTML/CSS/JavaScript site, and the local Node server now also exposes a tiny rankings sync API for shared Elo persistence.

Repo Layout

  • templates/index.html: source template for the main gallery page
  • templates/rankings.html: source template for the rankings page
  • index.html: generated static gallery page
  • rankings.html: generated static rankings page
  • assets/: site CSS, JavaScript, fonts, and audio
  • images/fulls/: full-size gallery images
  • images/thumbs/: gallery thumbnails
  • data/meals.json: source of truth for gallery entries
  • data/elo.json: Elo ratings, record totals, and ranking settings
  • scripts/build.js: renders static pages from templates and data
  • scripts/check.js: validates data, image assets, and generated pages
  • scripts/generate-thumbnails.js: regenerates thumbnails from the full-size images
  • scripts/ingest-meal.js: ingests a new meal image and metadata in one command
  • scripts/serve.js: serves the generated site and the rankings sync API
  • scripts/lib/elo.js: validates and syncs Elo data against the meal list
  • scripts/lib/rankings-state.js: normalizes and persists the shared rankings state
  • package.json: minimal Node build entrypoint

Run Locally

Install dependencies:

npm install

Build the site and validate the generated output:

npm run build

Serve it locally:

npm run serve

Then open http://127.0.0.1:4321.

By default, rankings sync state is written to .runtime/rankings-state.json. Override that path with RANKINGS_STATE_PATH=/absolute/path/to/rankings-state.json.

If you want a single command that builds and serves, run:

npm start

To validate the repo state without rebuilding thumbnails or pages, run:

npm run check

Content Workflow

Gallery entries live in data/meals.json, and the build generates both index.html and rankings.html from the template and data files.

After editing content or templates, rebuild the site with:

npm run build

The gallery build keeps the existing Lens thumbnail markup intact, so the current client-side viewer code continues to work.

To ingest a new meal image and update the site in one command, run:

npm run ingest -- --image /path/to/photo.jpg --title "meal title" --description "notes"

Optional ingestion flags:

  • --position "left center" sets the viewer image alignment
  • --focus-x 0.35 --focus-y 0.45 sets the thumbnail crop focal point

If you only need to regenerate thumbnails, run:

npm run build:thumbs

To force a full thumbnail rebuild, run:

npm run build:thumbs:force

Rankings Data

data/elo.json stores the seed rating, Elo kFactor, and a win-loss record for each meal. The page build keeps this file aligned with data/meals.json, so new meals automatically appear in rankings.html with the default seed rating.

The interactive voting flow on rankings.html now prefers the same-origin API exposed by scripts/serve.js:

  • GET /api/rankings: load the shared rankings state
  • POST /api/rankings/vote: apply one head-to-head result on the server
  • POST /api/rankings/reset: reset the shared board back to the seeded state

The server persists the shared board to .runtime/rankings-state.json by default, or to RANKINGS_STATE_PATH if you set it. That makes rankings persist across reloads, sessions, browsers, and devices as long as they are hitting the same deployed site.

If the API is unavailable, the page falls back to browser localStorage. In that fallback mode, votes still persist across reloads in the same browser profile, but they do not sync across browsers or devices. Use the reset button on the rankings page if you want to clear the current saved board and go back to the seeded state.

Deployment Notes

For Docker/VPS deployment, mount a persistent volume and point RANKINGS_STATE_PATH at it so rankings survive container rebuilds and restarts.

Example:

RANKINGS_STATE_PATH=/data/rankings-state.json npm start

In a containerized setup, mount /data as a named volume or bind mount. If you reverse-proxy the app through Caddy on the same domain, the rankings page will use the shared API automatically with no extra CORS setup.

The current server deployment lives one directory up from this repo in ~/docker/websites/docker-compose.yml and uses this gallery service definition:

services:
  gallery:
    build:
      context: ./gallery-src
    container_name: gallery
    environment:
      HOST: 0.0.0.0
      PORT: 80
      RANKINGS_STATE_PATH: /data/rankings-state.json
    volumes:
      - gallery-rankings:/data
    restart: unless-stopped
    networks:
      - web

networks:
  web:
    external: true
    name: web

volumes:
  gallery-rankings:

Image Conventions

  • Full-size images and thumbnails share the same numeric ID
  • Full-size images live at images/fulls/<id>.jpg
  • Thumbnails live at images/thumbs/<id>.jpg
  • position controls the full-screen viewer image alignment
  • thumbnail.focus optionally overrides the default center crop for generated thumbnails

Thumbnail Focus

Thumbnails are generated from images/fulls with sharp at 240x320. The generator auto-rotates images using EXIF orientation, skips unchanged files by default, and removes stale thumbnail .jpg files that no longer map to a meal entry.

For images that should crop away from the center, add optional thumbnail focus metadata to the meal entry:

{
  "id": "34",
  "title": "example",
  "description": "example",
  "thumbnail": {
    "focus": {
      "x": 0.35,
      "y": 0.45
    }
  }
}

The x and y values are normalized from 0 to 1, where 0.5, 0.5 is the center of the image.

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