External data storage environment variables
Environment variables to configure external data storage for your self-hosted n8n instance.
External data storage environment variables
File-based configuration
You can add _FILE to individual variables to provide their configuration in a separate file. Refer to Keeping sensitive data in separate files for more details.
Refer to External storage for more information on using external storage for binary data.
| Variable | Type | Default | Description |
|---|---|---|---|
N8N_EXTERNAL_STORAGE_S3_HOST | String | - | Host of the n8n bucket in S3-compatible external storage. For example, s3.us-east-1.amazonaws.com |
N8N_EXTERNAL_STORAGE_S3_BUCKET_NAME | String | - | Name of the n8n bucket in S3-compatible external storage. |
N8N_EXTERNAL_STORAGE_S3_BUCKET_REGION | String | - | Region of the n8n bucket in S3-compatible external storage. For example, us-east-1 |
N8N_EXTERNAL_STORAGE_S3_ACCESS_KEY | String | - | Access key in S3-compatible external storage |
N8N_EXTERNAL_STORAGE_S3_ACCESS_SECRET | String | - | Access secret in S3-compatible external storage. |
N8N_EXTERNAL_STORAGE_S3_AUTH_AUTO_DETECT | Boolean | - | Use automatic credential detection to authenticate S3 calls for external storage. This will ignore the access key and access secret and use the default credential provider chain. |
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