Created a docker-compose file for fullstack development

The docker-compose file manages the containers and provides the needed
environment for development.

References:
Building and deploying Next.js applications with Docker - YouTube
https://www.youtube.com/watch?v=aNh8iShFXto

Koyeb - How to Dockerize and Deploy a Next.js Application on Koyeb
https://www.koyeb.com/tutorials/how-to-dockerize-and-deploy-a-next-js-application-on-koyeb

How To Connect Docker With Python Flask And ReactJS FrontEnd | Docker Flask React Made Easy| 2021 HD - YouTube
https://www.youtube.com/watch?v=ISCiJmY1g2M

react-flask-postgres-boilerplate-with-docker/docker-compose.yml at master · tomahim/react-flask-postgres-boilerplate-with-docker
https://github.com/tomahim/react-flask-postgres-boilerplate-with-docker/blob/master/docker-compose.yml

Implement Docker With Hot Reloading In Next JS | by Bikash dulal | wesionaryTEAM | Medium
https://medium.com/wesionary-team/impledocker-with-hot-reloading-in-next-js-f3e57fba84ce

Bikash888/nextjs-docker
https://github.com/Bikash888/nextjs-docker

Hot Reloading not working in Next.js 9 using custom routing, styled components and withApollo example · Issue #16449 · vercel/next.js
vercel/next.js#16449

NextJS Fast Refresh - GeeksforGeeks
https://www.geeksforgeeks.org/nextjs-fast-refresh/

docker-compose.yml

@@ -0,0 +1,46 @@
+version: '3.5'
+
+services:
+  client:
+    container_name: client
+    build:
+      context: ./client
+    ports:
+      - "3000:3000"
+    volumes:
+       - ./client:/usr/src/app/client
+       - /usr/src/app/client/node_modules
+       - /usr/src/app/client/.next
+    depends_on:
+      - server
+
+  server:
+    container_name: server
+    build:
+      context: ./backend
+    volumes:
+      - './backend:/app'
+    ports:
+      - 5000:5000
+    environment:
+      - APP_NAME={{aliascheck.app_name}}
+      - FLASK_DEBUG=1
+      - PYTHONUNBUFFERED=0
+      - APP_SETTINGS=app.config.DevelopmentConfig
+      - DATABASE_URL=postgresql://postgres:postgres@db:5432/users_dev
+      - DATABASE_TEST_URL=postgresql://postgres:postgres@db:5432/users_test
+      - SECRET_KEY=change_me_in_prod
+    depends_on:
+      - db
+
+  db:
+    container_name: db
+    build:
+      context: ./backend/app/db
+    ports:
+      - 5432:5432
+    volumes:
+      - /var/lib/postgresql/data
+    environment:
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASS=