Operator: *"I'd like for URLs to unfurl. To be the whole note when the note is a single URL, and to be a compact slot on the bottom of the note when the URL is inline. We also need to support multiple URLs in a single note."* Less new machinery than it sounds: `unfurl.py` already fetched and parsed OG tags, SSRF-hardened, and `note_link_previews` was already `UNIQUE(note_id, url)` — so several URLs per note has worked at the storage layer all along. What was missing was that it needed a button, had one size, and drew that size in the wrong place. **Automatic, and never in the way.** New `unfurl_queue.py` detects a body's URLs and fetches them on a background task AFTER the note is committed. Capture speed is the product: an unfurl is a five-second timeout against a host nobody controls, and a note has to persist the instant someone stops typing. Scheduled from create, from a body edit, and from a synced push — so a linked desktop or Android client gets previews too, on its next pull. An unlinked one has no server to ask and simply has none, which is the honest consequence of being offline. Safe to call on every save: it re-reads what's cached and does nothing when nothing is new. Capped at five URLs per note, silent on every failure (a link that won't fetch isn't an error the person needs — the note is fine, the link is still there), and it re-checks before storing, so a slow fetch can't resurrect a preview for a URL that was deleted while it was in flight. **Two presentations.** A note whose body is nothing but a URL renders as its preview and nothing else — printing the raw URL under a card that already says where it goes is saying the same thing twice, badly. Until the fetch lands, or if it never does, the URL stands in, so the card is never blank. Anything else gets a compact strip. **And the strip moved.** Previews were rendered ABOVE the body, which put a stranger's headline where the note's own first line should be — worse now that the first line IS the note's name. They sit at the foot of the card now, under the note's own words. The editor's "Preview example.com" button is gone with the manual path; removing an unwanted preview stays, and stays editor-only. Nine tests: three on detection (order, dedupe, sentence-punctuation trimming, non-http rejection) in the unit lane, and three in the integration lane for what only a real database shows — the upsert landing on the right row, a second pass fetching nothing, and a preview NOT being stored for a URL that left the body.
ThoughtSync
Self-hosted personal thought-capture web app in the FabledSword family — a
Google-Keep-style masonry post-it board for capturing disparate thoughts in
under a second, designed to grow into a lightweight second brain (labels, search,
[[wiki-links]], graph).
- Stack: Quart (async Python) + Vue 3 + PostgreSQL, Docker, Fabled-Git CI.
- Auth: native email + password (signed-cookie sessions). Multi-user with the family owner + direct-share + group-share ACL.
- Web-first. An Android companion is a later, conditional milestone.
Layout
src/thoughtsync/ Quart app (app factory, auth, models, ACL, config, db)
alembic/ async migrations (schema built via `alembic upgrade head`)
tests/ DB-free unit tests (pytest)
frontend/ Vue 3 + Vite + TypeScript + Tailwind SPA
Dockerfile 2-stage build (Vue -> python:3.12-slim runtime)
docker-compose.yml local app + Postgres stack
Development
Backend (needs a Postgres reachable at THOUGHTSYNC_DATABASE_URL):
pip install -e ".[dev]"
alembic upgrade head
hypercorn 'thoughtsync.app:create_app()' --bind 0.0.0.0:5000
Frontend (proxies /api to :5000):
cd frontend
npm install
npm run dev # http://localhost:5173
Or run it in Docker. Hot-reload dev stack (edit code, changes reload live) — Postgres + backend + Vite dev server, app at http://localhost:5173:
docker compose -f docker-compose.dev.yml up
Or the full production image (SPA baked in) at http://localhost:5000:
docker compose up --build
Deploy (self-host)
A complete two-container stack (app + Postgres) you can copy and run. Save it as
docker-compose.yml, change the two CHANGE_ME passwords (they must match), then
docker compose up -d:
services:
db:
image: postgres:16-alpine
restart: unless-stopped
environment:
POSTGRES_USER: thoughtsync
POSTGRES_PASSWORD: CHANGE_ME # change this
POSTGRES_DB: thoughtsync
volumes:
- thoughtsync-db:/var/lib/postgresql/data
healthcheck:
test: ["CMD-SHELL", "pg_isready -U thoughtsync"]
interval: 5s
timeout: 5s
retries: 10
app:
image: git.fabledsword.com/bvandeusen/thoughtsync:latest # :dev for the current dev build
restart: unless-stopped
depends_on:
db:
condition: service_healthy
environment:
THOUGHTSYNC_DATABASE_URL: postgresql+asyncpg://thoughtsync:CHANGE_ME@db:5432/thoughtsync
volumes:
- thoughtsync-data:/var/thoughtsync # uploaded images; omit if you don't use attachments
ports:
- "5000:5000"
volumes:
thoughtsync-db:
thoughtsync-data:
Then open http://<host>:5000 and register — the first account becomes the admin.
- Only
THOUGHTSYNC_DATABASE_URLis required.THOUGHTSYNC_SECRET_KEYis optional; if unset, a signing key is generated and persisted in the database (sessions survive restarts). - Uploaded images live under the
thoughtsync-datavolume at/var/thoughtsync. - The app waits for the database and runs migrations (
alembic upgrade head) automatically on start. - Image tags:
:latest(stable, built frommain) ·:dev(latestdevbuild) ·:<git-sha>(immutable, for pinning / rollback). - Putting it on the public internet: there are four things to do first — close
registration, terminate TLS and forward
X-Forwarded-Proto, stop publishing the app port, and back up the attachment volume as well as the database. See docs/public-hosting.md, which also lists what the app hardens on its own and what it deliberately doesn't. - Install as an app (PWA): ThoughtSync is installable ("Add to Home Screen" / the
browser's install button) for an app-like window. Browsers only offer install over a
secure context, so put the app behind a reverse proxy terminating HTTPS (or reach
it via
localhost) — plainhttp://<host>:5000won't show the install prompt.
Milestones
- M0 — Foundation & Identity ✅: Quart+Vue+Postgres skeleton, native auth, sharing-ACL spine, Fabled-Git CI.
- M1 — Capture Core ✅: note model + masonry board (quick-add, colors, pin, edit-in-place, archive, trash+restore).
- M1.5 — Roles & DB-backed Settings ✅: first user is admin, admin Settings UI,
DATABASE_URLis the only required env. - M2 — Organize: labels/tags, search, checklists, attachments.
- M3 — Second-brain seeds:
[[wiki-links]], backlinks, graph view, reminders. - M4 — Launch hardening: responsive/PWA, settings UI, polish.
Work happens on dev; main is protected (PR-only).