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Jyotisha/docs/operations/self-hosted-identity.md
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# Self-hosted identity operations
Staging uses Better Auth and the private local PostgreSQL cluster for both identity and business data. Production remains on Supabase; this runbook does not authorize a production cutover.
## Staging mode
Keep these values exactly as shown:
```dotenv
AUTH_PROVIDER=self-hosted
SELF_HOSTED_IDENTITY_ENABLED=true
AUTH_USER_ORIGIN=https://staging.jyotisha.chat
```
Staging has one browser identity surface on the main site. The same Better Auth user session serves ordinary pages and `/admin`; there is no independent admin origin, secret, cookie, or login host. Server routes translate that session into PostgreSQL request claims. Admin authorization then reads the persisted `identity.users.role` value and permits only `admin`; `viewer` and ordinary users receive `403`. The main auth route continues to return `404` for Better Auth `/api/auth/admin` plugin endpoints, and unknown hosts fail closed with `421`.
Use [the tracked staging identity example](../../deploy/.env.staging.identity.example) as a list of names only. Replace bracketed values directly on the server and keep `/opt/jyotisha-staging/.env.staging` owned by `deploy` with mode `0600`.
Generate `BETTER_AUTH_USER_SECRET` locally on the server:
```bash
openssl rand -base64 32
```
Do not reuse it as a PostgreSQL password. `IDENTITY_DATABASE_URL`, `APP_DATABASE_URL`, and `ADMIN_DATABASE_URL` use their matching passwords from `.env.staging.database`, percent-encoded only in each URL password component. All three must point to the private Compose hostname `postgres:5432/jyotisha`; never publish PostgreSQL on a host port.
The Resend key must be staging-only. `RESEND_FROM_EMAIL` must use a sender/domain verified in Resend. CI never receives this key and uses an in-memory sender. `ADMIN_EMAILS` remains relevant only to the legacy Supabase production path; it is not self-hosted admin authorization.
Validate without printing values:
```bash
cd /opt/jyotisha-staging
chmod 600 .env.staging
bash deploy/validate-staging-env.sh .env.staging
```
## Migration and smoke checks
Apply the reviewed PostgreSQL migrations through the existing `Migrate Staging Database` workflow before deploying the web image. Better Auth users are transactionally projected into `auth.users`, which creates their business profile through the existing trigger.
After deployment, verify the single-domain contract:
```bash
curl -fsS https://staging.jyotisha.chat/login >/dev/null
test "$(curl -sS -o /dev/null -w '%{http_code}' https://staging.jyotisha.chat/api/admin/session)" = 401
test "$(curl -sS -o /dev/null -w '%{http_code}' https://staging.jyotisha.chat/api/account)" = 401
```
An anonymous `/admin` request redirects to `/login`. An authenticated non-admin, including a persisted `viewer`, must not render the admin layout and every `/api/admin/*` route must independently return `403`. Promote a staging user only through a reviewed database operation; the persisted role must include `admin` before the main-site session can enter the backend.
## Optional import rehearsal
Export Supabase Auth users to a JSON array in the supported fixture shape, then run a redacted dry-run first:
```bash
cd /opt/jyotisha-staging/frontend
node scripts/import-supabase-auth-users.mjs /secure/path/auth-users.json
```
The summary contains only counts. It preserves UUID, normalized email, verification timestamps, display metadata, and created/updated timestamps. It intentionally ignores passwords, sessions, JWTs, provider secrets, and Supabase platform fields.
Apply only after reviewing the dry-run and taking a local encrypted staging backup:
```bash
set -a
. ../.env.staging
set +a
node scripts/import-supabase-auth-users.mjs /secure/path/auth-users.json --apply
unset IDENTITY_DATABASE_URL
```
Reruns are idempotent by UUID and the whole import is transactional. Duplicate canonical emails abort before database writes.
## Rollback and rotation
An application rollback must use a previously validated staging image and does not reverse database migrations. Existing self-hosted sessions and data remain in PostgreSQL; do not delete identity or business rows during application rollback. Returning staging to Supabase requires a separate reviewed data-reconciliation and provider-switch change.
Rotating `BETTER_AUTH_USER_SECRET` invalidates all self-hosted browser sessions, including admins. Restart the web service and verify login, anonymous admin API rejection, admin access, and viewer rejection. Rotate a leaked Resend key in Resend first, replace the server value, then restart. Never print old or new values.
Production `AUTH_PROVIDER=self-hosted` remains blocked until data reconciliation passes, production backups and restore drills exist, operational monitoring is ready, and a separate reviewed production cutover plan is approved.