Postgresql backuper

A small program for creating postgresql backups at certain intervals.

Configuration

Env variable	Description	Default in docker
BACKUPS_DIR		/backups
PGDUMP_BINARY		pg_dumpall
CUSTOM_ARGS	Arguments passed to PGDUMP_BINARY. Don't use -f.
BACKUP_INTERVAL	Time between backups.	24h
RETENTION	Backups older than the RETENTION period will be deleted.	168h

The duration must be in a format understood by the golang's time package.

Docker-compose example

services:
  backuper:
    image: git.comfycamp.space/lumin/postgresql-backuper
    environment:
      CUSTOM_ARGS: "-U postgres -h postgresql --no-password"
    volumes:
      - postgresql-backups:/backups