mongodb-backup

Helper image to create mongodb archived backups via mongodump using cronjob to /backup folder. Can restore dumps running mongorestore.

Usage:

docker run -d \
    --env MONGO_HOST=mongodb.host \
    --env MONGO_PORT=27017 \
    --env MONGO_USERNAME=admin \
    --env MONGO_PASSWD=password \
    --env MONGO_DB=mongodb.db \
    --volume host.folder:/backup
    macyan/mongodb-backup

Parameters

MONGO_HOST             the host/ip of your mongodb database
MONGO_PORT             the port number of your mongodb database
MONGO_USERNAME         the username of your mongodb database
MONGO_PASSWD           the password of your mongodb database
MONGO_DB               the database name to dump. If not specified, it will dump all the databases
EXTRA_OPTS             the extra options to pass to mongodump command
EXTRA_OPTS_RESTORE     the extra options to pass to mongorestore command
CRON_TIME              the interval of cron job to run mongodump. `0 0 * * *` by default, which is every day at 00:00
MAX_BACKUPS            the number of backups to keep. When reaching the limit, the old backup will be discarded. No limit, by default

Restore from a backup

See the list of backups, you can run:

docker exec mongodb-backupp ls /backup

To restore database from a certain backup, simply run:

docker exec mongodb-backup /restore.sh /backup/16.07.2023:07.21-35-00.gz

Example of using in docker compose

services:
    mongodb-backup:
        image: macyan13/mongodb-backup:latest
        container_name: "mongodb-backup"
        restart: always
        depends_on:
          - mongo
        environment:
        - MONGO_HOST
          - MONGO_PORT
          - MONGO_USERNAME
          - MONGO_PASSWD
          - MONGO_DB
          - MONGO_BACKUP_CRON_TIME=*/5 * * * *
          - MONGO_BACKUP_MAX_BACKUPS=10
          - EXTRA_OPTS
          - EXTRA_OPTS_RESTORE
      volumes:
        - ./backup:/backup

Crontab output goes to standard docker logs