Supabase Edge Functions EF011: Environment Variable Missing
A required environment variable is not set or is incorrectly configured.
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What is
Supabase Edge Functions EF011: Environment Variable Missing
?
Understanding Supabase Edge Functions
Supabase Edge Functions are serverless functions that allow developers to run backend code in response to HTTP requests or database events. They are built on top of Deno, providing a secure and scalable environment for executing JavaScript and TypeScript code. These functions are ideal for handling tasks such as authentication, data processing, and integrating with third-party services.
Identifying the Symptom: EF011 Error
When working with Supabase Edge Functions, you might encounter the error code EF011: Environment Variable Missing. This error typically manifests when a function fails to execute due to a missing or misconfigured environment variable. The function may not perform as expected, and you might see error logs indicating the absence of a required variable.
Exploring the Issue: What Causes EF011?
The EF011 error occurs when a function attempts to access an environment variable that has not been set or is incorrectly configured. Environment variables are crucial for storing sensitive information like API keys, database URLs, and other configuration settings. Without these variables, the function cannot access necessary resources or perform its intended operations.
Common Scenarios Leading to EF011
- Forgetting to set an environment variable in the Supabase dashboard.
- Typographical errors in the variable name or value.
- Incorrectly referencing the variable in the function code.
Steps to Resolve EF011: Environment Variable Missing
To resolve the EF011 error, follow these steps to ensure all necessary environment variables are correctly set and referenced:
Step 1: Verify Environment Variables in Supabase Dashboard
Log in to your Supabase dashboard and navigate to the project where the Edge Function is deployed. Under the Settings section, locate the Environment Variables tab. Ensure that all required variables are listed and have the correct values.
Step 2: Check for Typographical Errors
Double-check the names and values of the environment variables for any typographical errors. Ensure that the variable names match exactly with those referenced in your function code.
Step 3: Update Function Code
Review your Edge Function code to ensure that environment variables are being accessed correctly. Use the Deno.env.get('VARIABLE_NAME') method to retrieve the value of an environment variable. For example:
const apiKey = Deno.env.get('API_KEY');
if (!apiKey) {
throw new Error('API_KEY is missing');
}
Step 4: Redeploy the Function
After making the necessary changes, redeploy your Edge Function to apply the updates. You can do this via the Supabase dashboard or using the Supabase CLI with the following command:
supabase functions deploy my-function
Additional Resources
For more information on managing environment variables in Supabase, refer to the Supabase Functions Documentation. If you continue to experience issues, consider reaching out to the Supabase Community for support.
Attached error:
Supabase Edge Functions EF011: Environment Variable Missing
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