This container wil make a backup of your MySQL / MariaDB database. Note that this does not contain cron. You could use Kubernetes Cronjob for this.
docker run \
-e DB_NAME=mydb \
-e DB_USERNAME=root \
-e DB_PASSWORD="" \
-e DB_HOST=127.0.0.1 \
-e DB_PORT=3306 \
-e AWS_REGION=eu-west-1 \
-e AWS_ACCESS_KEY_ID=SOMETHING \
-e AWS_SECRET_ACCESS_KEY_ID=SOMETHING_ELSE \
-e AWS_S3_BUCKET=mybucket \
-e AWS_S3_PATH=customerx \
kabisa/docker-mysql-backup:0.1 mysql_backup