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S3-Compatible Storage

DaoFlow supports any S3-compatible storage for backups: AWS S3, MinIO, Cloudflare R2, Backblaze B2, DigitalOcean Spaces, etc.

Configuration​

Set the following environment variables:

S3_ENDPOINT=https://s3.amazonaws.com          # or your S3-compatible endpoint
S3_BUCKET=daoflow-backups
S3_ACCESS_KEY=AKIAIOSFODNN7EXAMPLE
S3_SECRET_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
S3_REGION=us-east-1                           # optional

Provider Examples​

AWS S3​

S3_ENDPOINT=https://s3.us-east-1.amazonaws.com
S3_BUCKET=my-daoflow-backups
S3_REGION=us-east-1

MinIO (Self-Hosted)​

S3_ENDPOINT=http://minio.local:9000
S3_BUCKET=backups

Cloudflare R2​

S3_ENDPOINT=https://ACCOUNT_ID.r2.cloudflarestorage.com
S3_BUCKET=daoflow-backups

Backblaze B2​

S3_ENDPOINT=https://s3.us-west-004.backblazeb2.com
S3_BUCKET=daoflow-backups

Storage Layout​

Backups are stored with a structured key format:

s3://bucket/daoflow/
  └── org-id/
      └── service-name/
          └── 2026-03-15/
              ├── bkp_abc123_full.tar.gz
              └── bkp_abc123_metadata.json

Verifying​

daoflow doctor --json
# Includes S3 connectivity check