README.md

Using a prepost strategy to create MongoDB backups

Volumerize can execute scripts before and after the backup process.

With this prepost strategy you can create dump of your MongoDB containers and save it with Volumerize.

Environment Variables

Aside of the required environment variables by Volumerize, this prepost strategy will require a couple of extra variables.

Name	Description
VOLUMERIZE_MONGO_USERNAME	Username of the user who will perform the restore or dump.
VOLUMERIZE_MONGO_PASSWORD	Password of the user who will perform the restore or dump.
VOLUMERIZE_MONGO_HOST	MongoDB IP or domain.
VOLUMERIZE_MONGO_PORT	MongoDB port.
VOLUMERIZE_MONGO_SOURCE	Variable name of source where dumps are to be stored (default VOLUMERIZE_SOURCE)

Example with Docker Compose

version: "3"

services:
  mongodb:
    image: mongo
    ports:
      - 27017:27017
    environment:
      - MONGO_INITDB_ROOT_USERNAME=root
      - MONGO_INITDB_ROOT_PASSWORD=1234
    volumes:
      - mongodb:/data/db

  volumerize:
    build: ./prepost_strategies/mongodb/
    environment:
      - VOLUMERIZE_SOURCE=/source
      - VOLUMERIZE_TARGET=file:///backup
      - MONGO_USERNAME=root
      - MONGO_PASSWORD=1234
      - MONGO_PORT=27017
      - MONGO_HOST=mongodb
    volumes:
      - volumerize-cache:/volumerize-cache
      - backup:/backup
    depends_on:
      - mongodb

volumes:
  volumerize-cache:
  mongodb:
  backup:

Then execute docker-compose exec volumerize backup to create a backup of your database and docker-compose exec volumerize restore to restore it from your backup.

Multiple Databases

You can also create backups of multiple databases. This is done equivalent to multiple sources in the default image (append number to variable, starting with 1). All variables that are added with this image can be enumerated.

Docker Secrets

The following additional variables are supported to be stored in files, the location specified in variables ending with _FILE. See Docker Secrets Documentation for more info.

• MONGO_PASSWORD