Frank Schwenk
b925b151f0
Drop per-job subdirs for phone-friendly Syncthing layout with stem-suffixed filenames; keep web state in meta/. Co-authored-by: Cursor <cursoragent@cursor.com>
87 lines
3.6 KiB
Markdown
87 lines
3.6 KiB
Markdown
# live.f12.rocks
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Event photo pep pipeline: guests drop a photo into a Syncthing folder, a
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worker runs it through `rembg` (background removal) + `gmic` (random
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filter/blend compositing, ported from `make_random.py`), and a small web
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UI shows the results with a "remix" option to try different filters on
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the same photo. Finished jobs sync back via the same share.
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No web auth. This is an event tool, not a DAM.
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## Services (`compose.yml`)
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| Service | What | Port |
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|----------|--------------------------------------------------|--------------------------|
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| `worker` | Watches `incoming/`, runs the compose pipeline | none published |
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| `web` | FastAPI + Jinja UI, browse jobs, remix | via Traefik only |
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Both share one host directory (`DATA_HOST_DIR`) mounted at `/data`.
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Syncthing runs on the host — not in this compose.
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## Data layout (Syncthing share)
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Prod path: `/home/frank/sync.schwenk.online/data/livef12`
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```
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incoming/ # phone drop — worker only ever reads/copies from here
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variants/
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{stem}_original.jpg # preprocessed private copy
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{stem}_rembg.png
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{stem}_v1.png # final composed images
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intermediates/
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{stem}_v1_bg_filtered.png
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{stem}_v1_post_0.png # …
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meta/
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{stem}.json # status + manifest for the web UI
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processed.json # worker bookkeeping: which incoming files were handled
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```
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Phone tip: `.stignore` can drop `meta/` and `processed.json` if you only
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want images on the device.
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`assets/` (filter lists + trimmed `filters.json`) lives in the repo and is
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bind-mounted read-only into `worker`/`web` at `/data/assets`.
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## Running it
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```bash
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cp .env.example .env
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# local: set DATA_HOST_DIR=./data
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# prod: leave unset (defaults to the Syncthing share path)
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docker compose up -d --build
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```
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Drop a photo into `incoming/` (via Syncthing or locally). After a few
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seconds (poll interval + processing time) it shows up on the web UI; flat
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files land in `variants/` and `intermediates/` for the phone.
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## Configuration (`.env`, see `.env.example`)
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| Var | Default | Notes |
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|-----|---------|-------|
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| `DATA_HOST_DIR` | `/home/frank/sync.schwenk.online/data/livef12` | Syncthing share root; use `./data` locally |
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| `OUTPUT_COUNT` | `3` | Variants generated per uploaded photo |
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| `BLEND_OPACITY` | `30%` | Default blend opacity for auto-generated variants |
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| `FILTER_TIMEOUT` | `120` | Seconds before a single gmic call is killed |
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| `MAX_FILTER_ATTEMPTS` | `8` | Random-filter retry budget per bg/fg pick |
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| `NICE_LEVEL` | `18` | `nice -n` level for gmic/rembg subprocesses |
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## Deploy notes / caveats
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- **Firewall:** Traefik must already route `live.f12.rocks` — this repo
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only adds the router labels; it assumes the external `traefik` docker
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network exists. No SFTP port needed.
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- **rembg model download:** first background-removal call downloads the
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`u2net` ONNX model (~176 MB) from GitHub. This needs outbound internet
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on first run and can take a minute or two depending on the link; the
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model is cached in the `rembg_cache` named volume afterwards, so
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restarts don't re-download it.
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- **Incoming is append-only:** the worker only ever copies out of
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`incoming/` and never deletes or moves anything there — plan disk space
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accordingly, or clean up `incoming/` manually between events.
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- **Sequential processing:** the worker handles one photo at a time
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(`cpus: "1.0"`, no concurrency) — fine for an event pace, but a burst of
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uploads will just queue up and get processed in order.
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- Deploy itself (`docker compose up -d` on the server) is on you — this
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repo doesn't run it automatically.
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