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Feature 07: Deployment, identity and backups (#75)
Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com>
2026-10-05 20:59:47 -04:00

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# Litestream continuous backup of the MealQuest SQLite database (Feature
# 07). The ``litestream`` compose service mounts the same named volume as
# the app and streams every committed change to the Synology NAS over
# SFTP, so the backup lives outside the Docker host.
#
# Nothing here is secret. The SFTP private key is a dedicated, git-ignored
# keypair (deploy/secrets/litestream_key) mounted read-only by compose at
# /etc/litestream/sftp_key; its public half is in
# joshua@10.60.1.50:~/.ssh/authorized_keys. ``host-key`` pins the NAS's
# ECDSA host key, the algorithm Litestream's SSH client negotiates with
# this NAS.
#
# The Synology SFTP server is chrooted to the shared folders, so the
# directory seen over SSH as /volume1/homes/Joshua/mealquest-backups is
# /homes/Joshua/mealquest-backups over SFTP.
# Take a full snapshot daily and keep a week of snapshots plus the
# incremental changes between them (point-in-time restore window).
snapshot:
interval: 24h
retention: 168h
dbs:
- path: /data/mealquest.db
replicas:
- type: sftp
host: 10.60.1.50
user: joshua
path: /homes/Joshua/mealquest-backups
key-path: /etc/litestream/sftp_key
host-key: ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBNujay9nYEiXuRQf4wDRDU1gp+CDvpeMdhuhC2XypIihzKGEtB654kwrUGfA2kDWAoSPGlmojeS3OIRtHPkj6GY=