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docs: note S3-compatible endpoints for s3 storage backend #5259

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docs: note S3-compatible endpoints for s3 storage
goanpeca Jul 30, 2026
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Merge branch 'main' into docs/s3-compatible-storage
MilosPaunovic Aug 3, 2026
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Merge branch 'main' into docs/s3-compatible-storage
MilosPaunovic Aug 5, 2026
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16 changes: 16 additions & 0 deletions src/contents/docs/configuration/02.runtime-and-storage/index.md
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Expand Up @@ -291,6 +291,22 @@ kestra:
| `sts-endpoint-override` | string | No | — | Override the STS endpoint URL. |
| `s3-files-compatible` | boolean | No | `false` | Enable S3 bucket versioning when the bucket is first initialized. Set to `true` when the same bucket is shared with the `S3FilesStorage` backend (`type: s3-files`), which mounts S3 Files as a local NFS filesystem and requires versioning to be enabled. |

#### S3-compatible endpoints

The `s3` backend targets Amazon S3 by default. Set `endpoint` to point that same backend at another S3-compatible object store, for example Backblaze B2, Cloudflare R2, or MinIO. Some endpoints also require `force-path-style: true`; MinIO deployments can alternatively use the dedicated [`type: minio`](#minio--s3-compatible) backend.

```yaml
kestra:
storage:
type: s3
s3:
bucket: my-kestra-bucket
endpoint: https://your-s3-endpoint.example.com
force-path-style: true
access-key: YOUR_ACCESS_KEY
secret-key: YOUR_SECRET_KEY
```

#### Credential resolution order

1. `access-key` / `secret-key` in config.
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