docker-postgres-backup-local/README.md

postgres-backup-local

Backup PostgresSQL to local filesystem with periodic backups and rotate backups. Based on schickling/postgres-backup-s3.

Usage

Docker:

$ docker run -e POSTGRES_HOST=postgres -e POSTGRES_DB=dbname -e POSTGRES_USER=user -e POSTGRES_PASSWORD=password  prodrigestivill/postgres-backup-local /backup.sh

Docker Compose:

version: '2'
services:
    postgres:
        image: postgres
        restart: always
        environment:
            - POSTGRES_DB=database
            - POSTGRES_USER=username
            - POSTGRES_PASSWORD=password
    pgbackups:
        image: prodrigestivill/postgres-backup-local
        restart: always
        volumes:
            - /var/opt/pgbackups:/backups
        links:
            - postgres
        depends_on:
            - postgres
        environment:
            - POSTGRES_HOST=postgres
            - POSTGRES_DB=database
            - POSTGRES_USER=username
            - POSTGRES_PASSWORD=password
            - POSTGRES_EXTRA_OPTS=-Z9 --schema=public --blobs
            - SCHEDULE=@daily
            - BACKUP_KEEP_DAYS=7
            - BACKUP_KEEP_WEEKS=4
            - BACKUP_KEEP_MONTHS=6

Automatic Periodic Backups

You can additionally set the SCHEDULE environment variable like -e SCHEDULE="@daily" to run the backup automatically.

More information about the scheduling can be found here.

Folders daily, weekly and monthly are created and populated using hard links to save disk space.