docker-compose.yml

version: '3.1'

services:
    imap:
        image: cyrus
        hostname: cyrus
        volumes:
            - volume1
            - volume2
            - volume3
            - volume4
        secrets:
            - source: key
              target: my.key
              uid: '0'
              gid: '109'
              mode: 0640
            - source: cert
              target: my.crt
              uid: '0'
              gid: '109'
              mode: 0640
        ports:
            - 110:110
            - 143:143
            - 993:993
            - 995:995
            - 4190:4190
        restart: always
        networks:
            - mail
    logger:
        image: gliderlabs/logspout
        hostname: logspout
        volumes:
            - /var/run/docker.sock:/var/run/docker.sock
        networks:
            - mail
        command: syslog://log-server-ip:514

networks:
    mail:
        driver: bridge
secrets:
    key:
        file: ./my.key
    cert:
        file: ./my.crt