0290 — Dev environment and Cloudflare services: zones, tunnels, Access, Turnstile, email and npm names

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Context

The dev environment and the Cloudflare account need one plan before tunnels, previews and mail can be built. The account holds three zones on the Free plan, two of them empty, one Worker and one R2 bucket for npm. There are no tunnels and no Access applications, and the Clerk records from an earlier provider are still on figentra.com. On 2026-10-22 the owner settled the zone, the naming, the access model, the Turnstile scope, inbound email and the npm names, and this record resolves STA-323, which held the dev-environment scope in comments. Where the owner chose against the recommendation, the alternative is named.

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Decision

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Zones and names

1. The dev and preview zone is figentra.cloud (DV1, owner-only). The zone is owned and empty, so it costs nothing. It also keeps dev cookies off figentra.com. The alternatives were to buy figentra.dev or to use subdomains of figentra.com.
2. One label deep on the dev zone (DV2). Every dev name is one label deep, so Universal SSL covers it and no paid certificate is needed. Tunnels use <app>-<dev> and staging uses <app>-staging. Pull-request previews use the single host of 0289 decision 7, which supersedes the pr-<n>-<app> example in the answer. Extra custom names are welcome as one-label hosts. Vanity nameservers (ns1.figentra.cloud) are skipped, because they are a Business-plan feature with no benefit here.
3. Tenants point at figentra.com (CF6). The fallback origin for Cloudflare for SaaS is a production name under figentra.com, for example cname.figentra.com. figentra.cloud serves dev only, so dev and tenant traffic keep separate access and WAF rules. This amends 0175.

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Tunnels and the dev loop

4. A named tunnel per machine (DV3). Each machine, the Mac and the box, runs a named Cloudflare Tunnel, started by stackra dev --tunnel. Its ingress rules come from the ports in runway.yaml. The tunnel token comes from Infisical /agents through infisical run, and it never touches disk. The alternatives were quick tunnels with random names, and ngrok or Tailscale Funnel. OAuth and webhook providers need stable hostnames, and Cloudflare is the vendor already in use.
5. The core stack creates tunnels and their DNS (DV4). The Pulumi core stack (0171) creates each tunnel and its DNS record. stackra dev only runs cloudflared, so it never holds a DNS-edit token. Until the core stack exists, a one-off script creates them and the run is logged in Linear.
6. Access on every non-production host (DV5, amends 0237). Access guards every dev, preview and staging host. Sign-in goes through the GitHub organisation. Callback and webhook paths are bypassed per path, as listed in config, and machines use Access service tokens. Signed webhooks are still verified (0224). The alternatives were Access on staging only, or none. Access is free at our size, it keeps unfinished apps private, and it does not depend on ZITADEL while that is still being built.
7. The laptop runs the dev loop (DV6, amends 0199). stackra dev runs gen in watch mode and encore run on the laptop. Tests and heavy builds go to the remote runner of 0287, and a hook refuses heavy test commands run locally. The alternatives were stackra dev --remote on the box, or everything remote. Editing stays fast locally, and the heavy work moves to the box.
8. ZITADEL for daily work (DV7). A local ZITADEL container, from 0199, serves daily work. A shared ZITADEL Cloud dev instance is used only for staging and for OAuth flows that need a public callback, which the tunnel of decision 4 covers. This follows 0206.
9. Codespaces on demand (DV8). Codespaces prebuilds are off. Codespaces is used on demand within the $50 monthly cap of 0194, because prebuild storage and compute would use up the cap.

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Cloudflare services

10. Turnstile on forms, not on APIs (CF1). Turnstile protects our own public forms: the waitlist, contact, the Connect-app page, and public actions with auth: false. It also protects ZITADEL login, through its own bot protection or our login app (0241). API abuse belongs to the edge rate limits (0237) and to API keys (0278).
11. Access on operator surfaces in production (CF2, amends 0237). Access guards the /platform area and the internal dashboards in production. Tenant admin stays behind ZITADEL alone, so tenants never need a Cloudflare login. Operator access is the most valuable target, and a second factor at the edge costs nothing.
12. Resend handles inbound product email (CF3, owner’s choice). Inbound product email, meaning reply parsing and tenant inbound addresses, uses Resend inbound. The recommendation was Email Routing on figentra.email with an Email Worker, and the owner chose Resend instead. Staff mail on figentra.com is not changed, and this record gives figentra.email no use. The related ADRs are 0191 and 0223.
13. Free plan until the first public API (CF4, owner-only). figentra.com stays on Cloudflare’s Free plan until the first public API launch. Then it moves to Pro, for managed WAF rules and more rate-limit rules. Until then the application limits of 0217 carry the load, because nothing public is live.
14. No install scripts (CF5). The static Worker serves no install scripts. The CLI installs through npx or pnpm dlx, and later through Homebrew. A curl | sh host is not built. Another host needs its own ADR, because curl | sh adds a supply-chain surface and a signing duty that nothing needs yet (0174).
15. Hand-made resources move into Pulumi (CF7). The zones, the npm-registry Worker, the docs records and the custom domains are imported into the core stack once it exists. Until then, every manual change gets a Linear comment. An import is cheaper than a rebuild.

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npm names and the docs host

16. npflared stays until every consumer has moved (CF8, owner-only). The npm-registry Worker keeps serving npm.figentra.com until every consumer has migrated. The home for private @figentra/* packages is revisited then, and the GitHub Packages option that the question proposed is not chosen. This keeps the retirement rule of 0177. Vellum no longer depends on it, because it publishes publicly (0286 decision 7).
17. The npm.stackra.figentra.com name is deleted after the migration (CF9, owner’s choice). The name is deleted once the npflared consumers have moved. The Keygen custom domain gets its own name when the first @stackra-pro package ships. The recommendation was to repoint the name at Keygen, or to return 410 until then, and the owner chose deletion. This amends decision 3 of 0175.
18. docs.figentra.com redirects for now (CF10, owner-only). It redirects to docs.stackra.figentra.com until Figentra OS has public docs, and then it gets a second Mintlify project. Mintlify charges per project, and Figentra OS has nothing public yet (0002).
19. The Clerk records come out after a check (CF11, owner-only). The Clerk records on figentra.com (accounts., clerk., clkmail. and the DKIM keys) are deleted only after confirming that nothing uses Clerk, Academorix included. The deletion goes through Pulumi once the zone is imported (decision 15). Clerk is not in the stack (0206), and a dangling record invites takeover.

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Consequences

• Dev traffic and tenant traffic sit on separate zones, and tunnels with Access are the dev access model.
• Turnstile is a form control. It is not a control on API calls, and API abuse is handled at the edge and with API keys.
• The npm.stackra name goes away after the migration. The Keygen name waits for the first @stackra-pro package.
• The Cloudflare work that follows is an import (CF7), the tunnel stack (DV4), the Access applications (DV5) and the Resend inbound setup (CF3). The Clerk records are removed after the check.

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Enforcement

planned — the Access applications and tunnels in @stackra/infra-cloudflare (0171), when the core stack exists. stackra dev --tunnel is checked by its own tests. The heavy-test hook of decision 7 is a hook under .agents/hooks, not yet built. Turnstile wiring is checked by review. The deletion of decision 17 and the redirect of decision 18 are owner steps, logged in Linear.

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Decided, with triggers

1. Previews. Pull-request previews use the single host of 0289 decision 7, so the pr-<n>-<app> example in the dev-zone answers does not apply to previews.
2. Private packages (CF8). This decision chooses no home for private @figentra/* packages. The choice is revisited when every consumer has migrated, as decision 16 says.
3. figentra.email. This decision gives figentra.email no use. A use needs its own decision.
4. The Keygen domain. Its name is chosen when the first @stackra-pro package ships, as decision 17 says.

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Supersedes and sources

Supersedes: none. Amends 0175 (the dev zone, the tenant fallback origin and decision 3), 0199 (the dev loop) and 0237 (layer 1). Related: 0171, 0177, 0194, 0206, 0207, 0224, 0286, 0287, 0289. Sources: owner decisions of 2026-10-22 (DV1 to DV8 and CF1 to CF11); Linear STA-323 (resolved by this ADR), STA-313 and STA-328.