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feat: daily encrypted database backup to a bucket of its own
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A backup service runs pg_dump every day at 03:00 Brasília, checks the archive,
encrypts it with age to a public key and uploads it with a token for that
bucket only. The server cannot read or delete backups: the private key stays
with the owner, the bucket's lifecycle rule expires copies and its lock stops
early deletion. Each run is recorded and shown on the Kanban's Integrations
tab. tests/backup_test.py backs up, restores into a scratch database and
compares the rows in CI. Setup and restore: docs/BACKUP.md.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Cauê Faleiros
2026-09-29 18:49:21 -03:00
parent 1b57313496
commit 20403c5132
14 changed files with 565 additions and 2 deletions
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7
deploy/portainer.env.example
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@@ -51,6 +51,13 @@ MAX_PENDING_UPLOADS=10
MAX_UPLOAD_BYTES=5368709120
UPLOAD_PART_BYTES=8388608
SCAN_MAX_BYTES=134217728
# Daily encrypted database backup to its own bucket (docs/BACKUP.md).
BACKUP_S3_ENDPOINT=https://<account>.r2.cloudflarestorage.com
BACKUP_BUCKET=dtf-backups
BACKUP_ACCESS_KEY_ID=TBD
BACKUP_SECRET_ACCESS_KEY=TBD
BACKUP_AGE_RECIPIENT=age1...
BACKUP_HOUR=3
# Names of external Portainer/Docker Swarm secrets, never their values.
DATABASE_URL_SECRET=TBD