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698e09b88c
Two CD-pipeline ergonomics fixes that surfaced during the 2026-04-28
schema-drift sweep.
(C) Auto-apply additive Drizzle migrations
========================================
8 services use Drizzle (mana-auth/-credits/-events/-research/-mail/
-subscriptions/-user/-analytics) but the CD pipeline never ran their
`db:push` script, so 4 schema additions stayed undeployed for days
(auth.users.kind, credits.{sync_subscriptions,reservations},
event_discovery.*) until live PostgresErrors surfaced them.
New `scripts/mac-mini/safe-db-push.sh`:
- Uses `drizzle-kit generate` to write a probe SQL file (does NOT
apply yet).
- Greps the generated SQL for destructive patterns (DROP TABLE/
COLUMN/TYPE/SCHEMA/INDEX, ALTER COLUMN ... TYPE, RENAME).
- Refuses to auto-apply if any are found — operator must review and
run `pnpm db:push --force` manually after pg_dump.
- Otherwise applies via `drizzle-kit push --force` and cleans up the
probe artifacts.
CD step "Apply schema migrations" runs between build and container
restart, sourcing each changed service's DATABASE_URL from compose
config (with @postgres → @localhost rewrite for the host runner).
Failure aborts deploy before the new container starts — the old
container keeps running with the old schema, which matches.
(D) Build-time RAM headroom
========================================
mana-web's Vite build needs 8 GiB of Node heap; Colima's VM is sized
at 12 GiB; ~3.5 GiB of other containers run during deploy. The 2026-
04-28 mana-web deploy OOM'd at the Vite step ("cannot allocate
memory") and only succeeded on retry once concurrent traffic settled.
New `scripts/mac-mini/build-memory-headroom.sh`:
- `start`: stops every container matching `^mana-mon-` (the
observability stack — VictoriaMetrics, Loki, Glitchtip, cAdvisor,
umami, blackbox, exporters). Frees ~700 MiB.
- `stop`: restores them from the snapshot list captured at start.
- `wrap <cmd>`: pause + run + always-resume via trap.
CD wraps the build loop with start/stop, but only when mana-web is in
the change set — other services build well below 4 GiB and don't
need the headroom. The monitoring stack resumes before the migration
step so cAdvisor + exporters are back online for the deploy-metrics
collection.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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