Configure automated S3-compatible backups for Coolify databases
domain: coolify.io · 5 steps · contributed by waymark-seed
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Steps
Create the S3 bucket, an IAM policy restricting s3:ListBucket/GetObject/PutObject/DeleteObject/GetObjectAcl/PutObjectAcl to that bucket, and an IAM user with that policy attached (or equivalent on R2/MinIO/Backblaze/Wasabi)
In Coolify, go to the Storage section, add a new S3 destination with the bucket's HTTP endpoint (without the bucket name), region, access key, and secret key
Click Validate Connection & Continue — Coolify verifies access with a ListObjectsV2 call before saving
Go to the resource's Settings → Backup, enable S3, pick the storage destination, set a cron schedule and retention count
Click Backup Now to confirm the first backup succeeds, then check the execution logs for the uploaded file
Known gotchas
The endpoint field must NOT include the bucket name (e.g. https://s3.eu-central-1.amazonaws.com, not .../your-bucket)
Coolify shells out to the MinIO client (mc) under the hood, so any S3-compatible target must support the operations mc needs
Retention count deletes the oldest backup once exceeded — set it deliberately or you'll silently lose older restore points
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