Blog API system with FastAPI

Overview

Learning FastAPI with Offical Docs. Developing Blog API system to understand development process of FastAPI projects

Topics and Development Process

• Installation and Setup FastAPI
• Terminology of FastAPI (operation, path, decorator, function)
• Path and Query Parameters and Validation
• Pydantic models, schemas
• POST operation and Request body

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• FastAPI Database connection
• SQL (Relational) Databases
• SQL Alchemy
• Creating Database models and schemas
• Storing data to the Database
• Getting data from the Database
• Deleting data from the Database
• CRUD functionalities

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• Response status codes
• HttpExceptions
• Response models and pydantic schemas
• Pydantic offical docs

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• Creating a User model
• Hashing the password
• Metadata and Docs URLs
• Database Relationships
• Foreign Keys and Relationship between User and Blog

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• Bigger Application Structure
• Code restructuring
• API Routers
• Blog and User views

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• Authentication routers
• Login and Password verify
• Generating JWT tokens
• OAuth2 and JWT tokens
• Environmental variables and secret keys
• Route behind authentication
• Allow authenticated users
• Delete and Update only own blogs (403 Forbidden)
• FastAPI Layered Architecture
• Docs and AWS EC2 deployment images
• Deployment with FastAPI docs
• Dockerfile added Blog Image

Future Learnings

• AWS services and Docker
• Deployment FastAPI with Docker to AWS
• Databases PostgreSQL, MongoDB, Redis
• Continue Learning

Dependencies

• python (3.6 or greater)

Setup

$ python -m venv venv
$ source venv/bin/activate
$ pip install -r requirements.txt

# Windows OS:
> python -m venv venv
> venv\Scripts\activate.bat
> pip install -r requirements.txt

Run

$ uvicorn main:app --reload

Run FastAPI app with Docker

# Start docker compose 
$ docker-compose -f docker-compose.yaml up

# Stop docker compose
$ docker-compose -f docker-compose.yaml down

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$ docker pull alimov8/blogimage
$ docker run -d --name blogcontainer -p 80:80 alimov8/blogimage
# Check 127.0.0.1/docs from browser

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# Creating Dockerfile and Building Image
$ cd app
$ touch Dockerfile
$ docker build -t myimage .
$ docker images


# Commands to run, stop and check containers 
$ docker ps
$ docker stop blogcontainer
$ docker start blogcontainer

Docs

.

Running FastAPI app with AWS EC2

// Prepare the EC2 with Python and Apache server
$ sudo apt upgrade
$ sudo apt install apache2  # /var/www/html/index.html
$ sudo service apache2 start
$ sudo apt install python3-pip
$ sudo apt install python3-venv

// Cloning Project and Install Dependencies
$ git clone [project link] && cd [project]
$ python3 -m venv env
$ source env/bin/activate
$ pip install -r requirements.txt

// Runing app
$ uvicorn main:app --reload  # Run from main.py folder