[pull] main from jsr-io:main#96
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) The **DB-first cutover** for the API service split (RFC #1414, step 5), done in one PR per review (all at once, following #1406's mTLS model). After this, `api.jsr.io` is fronted by the new `api` Worker (workers-rs): it serves the migrated read endpoints locally over Hyperdrive→Postgres and **proxies every other path to the Cloud Run compute service**, so the cutover is transparent for all not-yet-migrated endpoints. ### 1. Compute presents a DB client cert (safe pre-step) - `Database::connect` takes an optional `DbTls` (verify-ca + PEM cert/key/CA); new `DB_CLIENT_CERT/KEY/ROOT` config, redacted in Debug. - `main.rs` installs the ring rustls `CryptoProvider` before the first DB TLS connection (both ring and aws-lc-rs are in the tree; sqlx's custom-root verifier needs an explicit pick). `rustls` is now a direct dep (no lock version change). - terraform: `google_sql_ssl_cert.api`, delivered to both Cloud Run services as env. ### 2. Require the cert on the DB - `db.tf`: `ssl_mode = TRUSTED_CLIENT_CERTIFICATE_REQUIRED` + `authorized_networks 0.0.0.0/0`. The cert (now presented by Cloud Run over the private VPC, and by Hyperdrive over the public IP) is the access boundary instead of a network ACL — Hyperdrive's egress isn't a pinnable range. ### 3. The `api` Worker + Hyperdrive (`cloudflare_api.tf`) - `cloudflare_hyperdrive_config` to the existing Postgres over the public IP, mTLS (`verify-ca`); client + CA uploaded as `cloudflare_mtls_certificate`. - The Worker as the same worker/version/deployment triple as the frontend; bindings `HYPERDRIVE` + `COMPUTE_API_URL` (the Cloud Run compute URL it proxies to). ### 4. LB cutover (`lb.tf`, `lb/*.ts`) - Replace the `REGISTRY_API_URL` plain_text backend with an `API` **service binding** to the Worker (mirrors the existing `FRONTEND` binding); the LB no longer talks to Cloud Run directly. `handleAPIRequest` proxies through `env.API`; local-dev shim forwards to the compute server so the harness still works. ### 5. CI - Build the workers-rs wasm bundle (`worker-build`) before terraform in the staging + prod deploy jobs. ## Validation - `cargo check` / `clippy` / `fmt --check` on `registry_api` — green locally. - `terraform fmt` clean on the changed/added files. -⚠️ The Cloudflare provider and `worker-build` couldn't be exercised in my sandbox (downloads network-blocked there), so the Hyperdrive/Worker resource schema and the wasm module filenames (`build/worker/{shim.mjs,index.wasm}`) are authored from the provider docs + worker-build's output layout and will be confirmed by the staging `terraform plan`/`apply`. Worth a close look there. - Revertable by repointing the LB's `API` binding back to Cloud Run. 🤖 Generated with [Claude Code](https://claude.com/claude-code)
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