services:
    db1:
        build: .
        environment:
            MONGO_INITDB_DATABASE: momentum
            MONGO_INITDB_ROOT_USERNAME: root
            MONGO_INITDB_ROOT_PASSWORD: secret
            BACKUP_CRON: "0 2 * * *"
            BACKUP_RETENTION: "7"
            BACKUP_DIR: /data/backups
            REPLICA: db1:27017,db2:27017 # CSV, Must match hostname
        volumes:
            - data1:/data/db
            - backups:/data/backups
    db2:
        build: .
        environment:
            REPLICA: db1:27017,db2:27017 # CSV, Must match hostname
        volumes:
            - data2:/data/db