Dockerized ssh + pam_docker + environment containers example

docker-compose.yml

version: '3.3'

services:
        php71env:
                build:
                        context: ./php71-build
                # OVERLORD_HOST and hostname - for pretty PS1 prompt (OVERLORD_HOST)USER@HOSTNAME:
                # Usually this is the name of main node
                environment:
                        - OVERLORD_HOST=arrakis
                container_name: env_php71_rev01
                hostname: php71env
                volumes:
                        - /home:/home
                        - /var/opt/docker-env-etc:/var/opt/docker-env-etc
                        - /var/opt/docker-crontabs/php71:/var/spool/cron/crontabs
                logging:
                        driver: syslog
                        options:
                                tag: php71
                restart: always
        php56env:
                build:
                        context: ./php56-build
                environment:
                        - OVERLORD_HOST=arrakis
                container_name: env_php56_rev01
                hostname: php56env
                volumes:
                        - /home:/home
                        - /var/opt/docker-env-etc:/var/opt/docker-env-etc
                        - /var/opt/docker-crontabs/php56:/var/spool/cron/crontabs
                logging:
                        driver: syslog
                        options:
                                tag: php56
                restart: always
        pamsshd:
                build:
                        context: ./pamsshd
                container_name: pamsshd
                ports:
                        - "2022:22"
                pid: "host"
                privileged: true
                volumes:
                        - /home:/home
                        - /var/opt/docker-env-etc:/var/opt/docker-env-etc
                        - /var/opt/security:/etc/security
                        - /var/run:/var/opt/docker-sock
                logging:
                        driver: syslog
                        options:
                                tag: pamsshd
                restart: always       
        php56apache:
                build:
                        context: ./php56apache-build
                volumes:
                        - /home:/home
                logging:
                        driver: syslog
                        options:
                                tag: php56apache
                restart: always