feat(cli): inject function slug into served fns by raulb · Pull Request #6345 · supabase/cli

raulb · 2026-08-26T16:53:08Z

Summary

Adds SUPABASE_FUNCTION_SLUG to every locally served Edge Function.

The value always matches the requested function name. This works in both the legacy and next stacks.

Context

@supabase/server uses this value in withOAuthProtectedResource.
See supabase/server#117.

Shared function folders

Edge Runtime reuses workers by their service path.
Two functions can share one source folder. They must not share one worker environment.
The CLI now gives each shared function a stable and unique worker path.
The CLI still passes the real source file as the entrypoint. Imports and file access remain unchanged.
Functions in separate folders keep their current service path.
The change does not use queues, owner maps, or forceCreate.

Linked issue

Fixes AI-1129

The linked issue is open and carries the open-for-contribution label, or I am a Supabase maintainer.

Checklist

The PR title follows Conventional Commits.
Tests were added or updated for the change.
From the repository root, pnpm check:all passes, and all required workspace checks pass.

Fixes AI-1129

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github-actions · 2026-08-26T17:11:12Z

Supabase CLI preview

npx --yes https://pkg.pr.new/supabase/cli/supabase@4694df409039fad4fc20d989c1f39600a8db0dea

Preview package for commit 4694df4.

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## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES ## What kind of change does this PR introduce? Feature (self-hosted Edge Functions) ## What is the current behavior? The self-hosted Edge Functions router (`docker/volumes/functions/main/index.ts`) doesn't tell a function which slug a request resolved to. As a result, `@supabase/server`'s `withOAuthProtectedResource` can't derive its canonical resource URL and falls back to reconstructing it from the request path against the internal `api-gw` origin, so the advertised OAuth Protected Resource is /wrong for self-hosted deployments. ## What is the new behavior? `main/index.ts` now injects `SUPABASE_FUNCTION_SLUG: service_name` per request (after the `Deno.env.toObject()` snapshot, so nothing in the container env can shadow it). Combined with the operator's `SUPABASE_PUBLIC_URL`, the advertised resource is the correct external `{SUPABASE_PUBLIC_URL}/functions/v1/{slug}`, not the internal `http://api-gw:8000`. Verified on the docker stack: the slug is injected per-function, the resource origin resolves to `SUPABASE_PUBLIC_URL`, and the `401` `www-authenticate` carries the right `resource_metadata`. ## Additional context Fixes AI-1128 Companion to `@supabase/server` [PR #117](supabase/server#117) and the [CLI slug injection](supabase/cli#6345)  ## Summary by CodeRabbit * **Bug Fixes** * Edge workers now receive the correct function slug in their runtime environment, improving per-function request handling.

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chatgpt-codex-connector · 2026-08-31T19:21:27Z

+    } catch (error) {
+      lastError = error;
+    }
+    await Bun.sleep(250);


Replace startup polling with readiness synchronization

In the offline Docker test, this fixed sleep turns cold-worker startup into wall-clock polling; on slow CI it delays every retry and, if the worker remains unavailable, eventually throws without the runtime/container diagnostics needed to investigate the failure. Synchronize on an explicit worker or container readiness signal instead, retaining stderr/stdout diagnostics; the repository explicitly treats startup polling delays and arbitrary sleeps as blocking.

AGENTS.md reference: AGENTS.md:L318-L322

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chatgpt-codex-connector · 2026-08-31T19:21:27Z

+        fetchFunctionWhenReady(`${stack.url}/functions/v1/shared-beta`),
+      ]);
+      const reusedAlpha = await fetchFunctionWhenReady(`${stack.url}/functions/v1/shared-alpha`);
+      const nested = await fetchFunctionWhenReady(`${stack.url}/functions/v1/nested-worker-path`);


Budget for the sequential nested cold start

On a slow Docker host, the parallel alpha/beta cold starts may consume most of fetchFunctionWhenReady's 20-second allowance, after which this separately awaited nested function can consume another 20 seconds; the enclosing test has only a 30-second timeout. Vitest can therefore cancel an otherwise healthy run before the nested readiness helper finishes, so start all cold workers within one shared phase or give the test a guard timeout covering both phases.

AGENTS.md reference: AGENTS.md:L318-L322

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raulb requested a review from a team as a code owner August 26, 2026 16:53

feat(cli): inject function slug into served fns

2989c69

Fixes AI-1129

raulb force-pushed the raulb/inject-function-slug-env-var branch from e264980 to 2989c69 Compare August 26, 2026 16:56

raulb self-assigned this Aug 26, 2026

raulb requested a review from kallebysantos August 26, 2026 16:56

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Comment thread apps/cli/src/shared/functions/serve.main.ts

raulb mentioned this pull request Aug 26, 2026

feat(functions): inject env var function slug supabase/supabase#49617

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raulb force-pushed the raulb/inject-function-slug-env-var branch from 961e6ac to c1103de Compare August 27, 2026 09:53

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refactor: address PR feedback

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raulb force-pushed the raulb/inject-function-slug-env-var branch from c1103de to 954c972 Compare August 27, 2026 10:01

Merge branch 'develop' into raulb/inject-function-slug-env-var

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refactor: undo

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raulb force-pushed the raulb/inject-function-slug-env-var branch from bddf73e to cbc9aec Compare August 27, 2026 10:41

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raulb force-pushed the raulb/inject-function-slug-env-var branch from 43b08e3 to 91f7dfe Compare August 28, 2026 11:54

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raulb force-pushed the raulb/inject-function-slug-env-var branch 2 times, most recently from 91e1cd3 to abc0a94 Compare August 28, 2026 12:30

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raulb force-pushed the raulb/inject-function-slug-env-var branch from abc0a94 to fa6ffc9 Compare August 31, 2026 14:40

raulb requested a review from jgoux August 31, 2026 14:40

fix: address PR feedback

10eb8ec

raulb force-pushed the raulb/inject-function-slug-env-var branch from fa6ffc9 to 10eb8ec Compare August 31, 2026 14:44

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raulb added 2 commits August 31, 2026 17:29

fix: address p2

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Merge branch 'develop' into raulb/inject-function-slug-env-var

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