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community-rule/docs/relaunch-brief.md
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# CommunityRule relaunch
A short high-level summary of what's being built, what it replaces, and
how the cutover will work.
## What gets replaced
The existing `CommunityRule` Cloudron app currently hosts three things in
one container:
- The static marketing site.
- The Express + MySQL backend (rule drafting, publishing, OTP sign-in).
- A Flask chatbot.
All three retire together when the new app goes live. The chatbot is
**not** being migrated or replaced in this stage.
## What the new app is
- A Next.js application with a Postgres database, packaged as a
Cloudron app (Docker image + `CloudronManifest.json`).
- Uses Cloudron's **postgresql + sendmail + localstorage** addons.
Cloudron's built-in container supervisor keeps it running.
- Sign-in changes from 4-digit email **codes** to email **links**
("magic link" authentication). Users click a link in their inbox
instead of typing a code.
- One visible process, one port (3000), one health check
(`/api/health`), ~512 MiB memory — the same footprint as the
existing app.
## What does NOT carry over
- **No user accounts.** New sign-ins start fresh.
- **No published rules from the old database.** We'll count the
existing `rules` table before cutover and decide whether to publish
a read-only archive (CSV/JSON) somewhere for anyone looking for
their old work.
- **No chatbot.**
## How the cutover will work
Side-by-side, the legacy app keeps running untouched
until the new one is verified.
1. **Staging phase.** New app installed at
`staging.communityrule.info` (auto-provisioned by Cloudron). Legacy
app at the apex is not touched. Quiet testing within MEDLab/stakeholders.
2. **Cutover phase.** When staging is green and we're ready, schedule
a low-traffic window. During the window (roughly 515 minutes of
apex downtime):
- Take a final backup of the legacy app (Cloudron one-click).
- Pull a copy of the legacy `rules` table if we decided to publish
an archive.
- Uninstall the legacy app at the apex `communityrule.info`.
- Move the new app to the apex.
- Smoke-test, confirm backups are on, done.
3. **Post-cutover.** Legacy backup retained ≥ 90 days as a safety net.
Legacy source repos get README pointers to the new app and are archived.
Rollback plan during the window: restore the legacy backup to a scratch
Cloudron slot and point DNS back. Realistic only if we discover
something genuinely broken in the first few minutes.
## Rough timeline
Roughly this order:
1. **Code prep** — small local change so the app reads Cloudron's
injected `CLOUDRON_*` env vars natively. No infra impact.
2. **Build and push the app image** to a container registry.
3. **Install at staging** subdomain, smoke test, soft launch.
4. **Apex cutover window** — the brief downtime above.
5. **Uninstall legacy**, archive legacy repos.
6. **Write the steady-state runbook** based on what actually worked.
Staging should be ready to deploy in 1-2 weeks, and we can go from there.