2.1 KiB
Overview of the APP
The application consist of two parts, an API and a front end. The application displays 5 fruits which are seeded to the database at the startup. The get API provides the list of fruits. Anyone can like a fruit. In this case the count of like will be increased.
Requirements
The basic system requirements are as follows
- Any OS, preferably Linux
- Docker
- Docker compose
Architecture
Technology used
- Flask (Backend Rest API)
- Angular (Frontend)
- MySQL - as persistent database
Docker environment
For shipping and deploying the application docker-compose is used. All the configurations are in the docker-compose.yml file.
Key points of the docker-compose.yml is given below.
services
- backend: runs the Flask web API.
- db runs the mysql database required for the backend API
- web this is the front-end application
Virtual networks
One virtual network is used
- main
list of the containers
fruitapp-backend
This container runs under the service name backend. The dockerfile user for this container is located at fruitapp-backend/Dockerfile. This container is based on python:3.9 image.
fruitapp-frontend
The frontend container for the application. The dockerfile is located at fruitapp-frontend/.docker/dev/Dockerfile. Base image used to build this container is Node:14.
db container
The container is built using the official mysql:5.7.22 image pulled from dockerhub.
Preparation
To prepare the environment for the first time run the following command
bash prepare-app.sh
Running
Run the app background
bash start-app.sh
see the logs of backend
docker-compose logs -f backend
see the logs of forntend
docker-compose logs -f web
see the logs of database
docker-compose logs -f db
Stopping
bash stop-app.sh
Removing containers
bash remove-app.sh
Viewing the app
After running the app. visit http://localhost:4200 to view the app