minback-mongo

Minio Backup container for MongoDB

This container provides a trivially simple means to run mongodump and fire the results off to a Minio instance. It is intended to be run in conjunction with a Kubernetes CronJob to maintain a frequent backup of your critical data with minimal fuss.

Features

• Dumps a single MongoDB database to an S3 bucket
• Lightweight and short lived
• Simple and readable implementation
• Optional encryption for archive file

Example

docker run --rm --env-file backup.env minback/mongo my_db -h mongoserver1

backup.env

MINIO_SERVER=https://play.minio.io/
MINIO_ACCESS_KEY=minio
MINIO_SECRET_KEY=miniosecret
MINIO_BUCKET=backups

Usage

DB_NAME [OPTIONS...]

Arguments
  DB_NAME  - The name of the database you wish to backup
  OPTIONS  - Any additional options you wish to pass to mongodump

Configuration

This container is configured using environment variables, enabling it to easily be started manually or automatically and integrate well with Kubernetes' configuration framework.

MINIO_SERVER=https://play.minio.io/

The Minio server you wish to send backups to.

MINIO_ACCESS_KEY=minio

The Access Key used to connect to your Minio server.

MINIO_SECRET_KEY=miniosecret

The Secret Key used to connect to your Minio server.

MINIO_BUCKET=backups

The Minio bucket you wish to store your backup in.

ENCRYPTION_KEY

(Optional) The OpenSSL symmetric key to protect the archive with. Should be sufficiently long to prevent dictionary based attacks.

DATE_FORMAT=+%Y-%m-%d

The date format you would like to use when naming your backup files. Files are named $DB-$DATE.archive.