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espresso_frame/server/start.sh
T
tfaour 644fdefa66
Build and push server image / build-and-push (push) Failing after 1m10s
Add whiteboard frame mode (Nextcloud Whiteboard / Excalidraw over WebDAV)
New third mode alongside photos/calendar: fetches a .whiteboard file
over plain WebDAV (Basic auth -- generic, not Nextcloud-specific) and
renders it via a small Node.js sidecar using Excalidraw's own real
export code (@excalidraw/utils + @resvg/resvg-js, no headless browser),
since a .whiteboard file turns out to be Excalidraw scene JSON, not an
image. The sidecar runs as a second process inside this same container
(Dockerfile installs Node, start.sh backgrounds it before exec'ing
uvicorn) rather than a separate docker-compose service -- lightweight,
stateless, reachable only at 127.0.0.1 from the Python process, nothing
worth independently scaling.

The rendered PNG is treated exactly like a photo from there on --
composed/quantized through the existing image_pipeline (letterboxed,
never cropped) rather than a second parallel rendering pipeline.

WebDAV credentials support the common "it's actually the same Nextcloud
account as my CalDAV" case (an explicit opt-in checkbox, not silently
inferred) while still working with any WebDAV server generically.
Frame-level source (URL + owning account) follows the same owner-
controls-their-own-data permission split as calendar sources and the
week view's task list: only the account owner can point a frame at it,
anyone linked can clear it.

Honest limitation: this environment has no Node.js/npm, so
render-service/ is written carefully against each library's documented
API (verified via the npm registry, including transitive dependency
licenses after the CalDAV/AGPL surprise earlier this session) but has
never actually been executed. First real docker build is the first
true test -- see render-service/README.md.
2026-07-23 17:02:08 -04:00

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#!/bin/sh
# Starts render-service/ (whiteboard frame mode's Excalidraw-to-PNG
# sidecar, see its own README) in the background, bound to 127.0.0.1 --
# reachable from this container's Python process, never from outside it.
# Then execs uvicorn as the foreground/PID 1 process so it receives
# Docker's stop signal directly. The backgrounded Node process has no
# state worth flushing on shutdown -- fine for it to just die with the
# container.
node ./render-service/server.js &
exec uvicorn app.main:app --host 0.0.0.0 --port 8420