istepanov/mongodump

Docker image with mongodump running as a cron task

Usage

Attach a target mongo container to this container and mount a volume to container's /data folder. Backups will appear in this volume. Optionally set up cron job schedule (default is 0 1 * * * - runs every day at 1:00 am).

docker run -d \
    -v /path/to/target/folder:/backup \ # where to put backups
    -e 'CRON_SCHEDULE=0 1 * * *' \      # cron job schedule
    --link my-mongo-container:mongo \   # linked container with running mongo
    istepanov/mongodump

To run backup once without cron job, add no-cron parameter:

docker run --rm \
    -v /path/to/target/folder:/backup \ # where to put backups
    --link my-mongo-container:mongo \   # linked container with running mongo
    istepanov/mongodump no-cron

Docker Compose example:

version: '3'

services:
  mongo:
    image: "mongo:3.4"

  mongo-backup:
    image: "istepanov/mongodump:3.4"
    volumes:
      - mongo-backup:/backup
    environment:
      CRON_SCHEDULE: '0 1 * * *'
    depends_on:
      - mongo

volumes:
  mongo-backup:

Environment variables:

• CRON_SCHEDULE - cron schedule (default is 0 1 * * *)
• MONGO_HOST - Mongo server hostname (default is mongo)
• MONGO_PORT - Mongo server port (default is 27017)