Uses pg_dump to dump a linked postgres container, encrypts with PGP and
uploads to S3. Runs every 4 hours via cron.
Paste this into your compose.yaml file.
postgres_backups:
image: mattbeedle/postgres-backups:latest
environment:
AWS_ACCESS_KEY_ID: my-aws-key
AWS_SECRET_ACCESS_KEY: my-aws-secret
S3_BUCKET_NAME: my-backups
GPG_PUBKEY_ID: A1234567 # PGP public key fingerprint
PREFIX: postgres-backup # S3 key prefix to save with
DUMP_OPTIONS: "--no-owner" # Any extra options to pass to pg_dump
links:
- postgres:postgres