A Car Shop ERP System

This REST API serves as an ERP system for a car shop.

Technologies Used

• FastAPI: Web framework for building APIs
• Uvicorn: ASGI server for FastAPI
• SQLAlchemy: ORM for database management
• Psycopg2: PostgreSQL adapter for Python
• PyJWT: JSON Web Token implementation for authentication
• Pydantic: Data validation and parsing
• Starlette: Web framework for building APIs (FastAPI dependency)
• pytest: Testing framework for Python
• requests: HTTP library for making requests
• coverage: Code coverage tool

Requirements

Ensure you have the following installed:

• Python 3.6+
• Virtual Environments with Python 3.6+
• Docker
• Docker Compose

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Setup Project

1. Create a virtual environment:

   python3 -m venv env

2. Activate the virtual environment:

   source env/bin/activate

3. Install app dependencies:

   pip install -r requirements.txt

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Running the Application

1. Start the database (PostgreSQL:alpine3.14):

   docker-compose up

2. Start the application:

   uvicorn app.main:app --reload

Note:

You can configure the database using an environment variable:

export DB_URL="postgresql://user-name:password@host-name/database-name"

Accessing the Application Locally

• The application will be available at: http://127.0.0.1:8000
• Swagger Documentation: http://127.0.0.1:8000/docs
• Redoc Documentation: http://127.0.0.1:8000/redoc

If required, add the following headers for authentication on routes:

• token: my-jwt-token
• x_token: fake-super-secret-token

Testing

• Run tests:

  pytest

• Run tests with coverage report:

  pytest --cov=app app/test/

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Development

To update dependencies in requirements.txt:

1. Remove the version constraint for dataclasses.
2. Run:

   pip freeze > requirements.txt

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Deploy on Heroku

Requirements

• Heroku CLI

Install Heroku CLI

sudo snap install --classic heroku

Deployment

If automatic deploy is enabled for the master branch, simply commit to the master branch. Otherwise, deploy manually using the Heroku CLI as follows:

heroku login
heroku git:remote -a car-shop-fastapi
git add .
git commit -m "Deploy on Heroku"
git push origin master
git push heroku master

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Source Documentation

• FastAPI
• Bigger Application
• SQL Databases
• Testing
• Pydantic
• SQLAlchemy by FastAPI
• SQLAlchemy 1.4