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Short links

REST API based on FastAPI for generate your own short links.

Requirements

  1. Docker
  2. Docker-compose

For local development:

  1. Poetry

Before start

  1. Put to project file .env with follow variables:
DOCKER_IMAGE_BACKEND=api

# Backend
HOST=localhost
PORT=80
DB_HOST=db
DB_NAME=links
DB_USER=admin
DB_PASSWORD=admin
TIME_CHECK_EXPIRED_LINKS_SECONDS=60
ACCESS_TOKEN_EXPIRE_MINUTES=3600
SHORT_LINK_EXPIRE_DAYS=1

# Postgres
POSTGRES_SERVER=db
POSTGRES_USER=admin
POSTGRES_PASSWORD=admin
POSTGRES_DB=links

# PgAdmin
PGADMIN_LISTEN_PORT=5050
[email protected]
PGADMIN_DEFAULT_PASSWORD=admin
  1. Make migration of database:
sudo docker-compose run backend alembic upgrade head
sudo docker-compose down

Start stack

sudo docker-compose up -d

After few minutes will build image for rest api server. Also will pull images for other required services (PostgreSQL, pdAdmin) And then api will accessible on http://localhost:8080/api Documentation on http://localhost:8080/docs

How to use

For create new user send POST request to http://localhost:8080/api/sign-up

For login send POST request to http://localhost:8080/api/token

For get user information send GET request to http://localhost:8080/api/users/me

For create short_link send POST request to http://localhost:8080/api/links

For redirect to long link send GET request to http://localhost:8080/{short_link}

How long links live defines by SHORT_LINK_EXPIRE_DAYS in .env file.

Every TIME_CHECK_EXPIRED_LINKS_SECONDS links with exrired datetime will be deleted.

By default new created link has SHORT_LINK_EXPIRE_DAYS life.

Tests

For run test :

sudo docker-compose exec backend scripts/./start_tests.sh

For test pep8

sudo docker-compose exec backend flake8

Developing

Just start stack :

sudo docker-compose up -d

And work with code in project. Inside the container "backend" works :

uvicorn --port 80 --host 0.0.0.0 main:app --reload

It will reload server when changes will be found

For read logs:

sudo docker-compose logs backend