docker

PowerApp by SIGHUP

Write a Dockerfile for each of the following components of this classical 3 tier application.

Frontend (./frontend):

• use php:7.3.0-apache
• copy the content of ./rootfs to the root of the container
• expose port 80

Backend (./backend):

• use node:11.4.0-alpine
• copy the content of ./rootfs to the root of the container
• expose port 3000
• at start execute npm start

DB:

• we will just use the image mongo:4.0.4

Docker-compose:

You will have to use images created previously to create the docker-compose.yml:

Frontend:

• an environment variable "BACKEND_HOST" set to the DNS at which the backend will be reachable
• mapping port 80 of the container to the port 80 on the host

Backend:

• an environment variable "MONGO_HOST" set to the DNS at which the db will be reachable

DB:

• a volume mounted on /data/db