user: root pass: root

* iagapie/alpine-3.7
* iagapie/alpine-3.5
* iagapie/alpine-apache-2.4
* iagapie/alpine-nginx-1.13
* iagapie/alpine-php-5.6
* iagapie/alpine-php-7.0
* iagapie/alpine-php-7.1
* iagapie/alpine-php-7.2

openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout mysite.com.key -out mysite.com.crt

docker run -itd --name php-7.2 -p 2072:20 -p 2172:21 -p 2272:22 -p 9000 -p 9009 -v $PWD:/app iagapie/alpine-php-7.2

See docker-compose.yml for more complex example

• Languages & Frameworks > PHP > Add > Remote...
  • SSH Credentials
    • HOST
      • Docker-machine: 192.168.99.100 (Recommended)
      • Linux or Docker4{MAc|Windows}: localhost
    • port: 2244 (or the one you choose on the docker run command)
    • user: root
    • pass: root
    • Executable: /usr/bin/php
  • Path mappings:
    • -> /app

Oficial PHPStrom documentation for remote connexion via SSH Credentials.