All of this folders have Dockerfile to build a image and use on your project as you want.
If you would like to use the same image, you can check on my docker hub page
https://hub.docker.com/repository/docker/vander/rainus-micro1 -> microservices https://hub.docker.com/repository/docker/vander/rainus-httpd -> webpage https://hub.docker.com/repository/docker/vander/rainus -> node API
This node api I used from this website, and only did modifications to my use, but here is the author blog https://blog.logrocket.com/node-js-express-js-mysql-rest-api-example/. All the PHP pages were made by getting pieces of codes from everywhere.