Build a REST API with FastAPI, PostgreSQL and SQLAlchemy

FastAPI is a Python framework and set of tools that allow developers to invoke commonly used functions using a REST interface.

SQLAlchemy is a package that makes it easier for Python programs to communicate with databases. Most of the time, this library is used as an Object Relational Mapper (ORM) tool, which automatically converts function calls to SQL queries and translates Python classes to tables on relational databases.

Many web, mobile, geospatial, and analytics applications use PostgreSQL as their primary data storage or data warehouse.

This is code I wrote for the video

An updated version of this uses the latest version of FastAPI and SQLAlchemy and its source code is here

The video tutorial is here

How to run the REST API

Get this project from Github

git clone https://github.com/jod35/Build-a-fastapi-and-postgreSQL-API-with-SQLAlchemy

Setting up the database

Install PostgreSQL and create your user and database
Change this line in database.py to

engine=create_engine("postgresql://{YOUR_DATABASE_USER}:{YOUR_DATABASE_PASSWORD}@localhost/{YOUR_DATABASE_NAME}",
    echo=True
)

Create a virtual environment

This can be done with python -m venv env

activate the virtual environment with

env/bin/activate

or

env\Scripts\activate

Install the requirements

pip install -r requirements.txt

Create the database

python create_db.py

Run the API

python main.py

Author

Ssali Jonathan

jod35/Build-a-fastapi-and-postgreSQL-API-with-SQLAlchemy

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