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## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES Co-authored-by: github-docs-sync-bot <github-docs-sync-bot@supabase.com>
50 lines
1.6 KiB
Plaintext
50 lines
1.6 KiB
Plaintext
---
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title = "Unable to deploy Edge Function"
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topics = [ "functions" ]
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keywords = [ "deploy", "deployment", "edge function", "deno", "syntax", "bundle" ]
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database_id = "68bb6df6-6a07-40fa-ad4d-dfa5e21d7e9c"
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[api]
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cli = [ "supabase-functions-deploy" ]
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---
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If you're having trouble deploying an Edge Function, follow these steps to diagnose and resolve the issue.
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## Diagnose the issue
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1. **Check function syntax:** Run `deno check` on your function files locally
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2. **Review dependencies:** Verify all imports are accessible and compatible with Deno
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3. **Examine bundle size:** Large functions may fail to deploy
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```bash
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# Check for syntax errors
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deno check ./supabase/functions/your-function/index.ts
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# Deploy with verbose output
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supabase functions deploy your-function --debug
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```
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## Common causes
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- **Syntax errors:** TypeScript or JavaScript syntax issues in your function code
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- **Invalid imports:** Importing modules that don't exist or aren't compatible with Deno
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- **Large bundle size:** Functions have a 10MB source code limit. See [Bundle size issues](./edge-function-bundle-size-issues) for more details
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- **Network issues:** Problems reaching the Supabase API during deployment
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## Before opening a support ticket
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Make sure you're using the latest version of the Supabase CLI:
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```bash
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supabase --version
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supabase update
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```
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If these steps don't resolve the issue, open a support ticket via the Supabase Dashboard and include all output from the diagnostic commands.
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## Additional resources
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- [Edge Functions guide](/docs/guides/functions)
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- [Bundle size issues](./edge-function-bundle-size-issues)
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- [Edge Function limits](/docs/guides/functions/limits)
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