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A service that provides APIs to store image/video in the database, create background task using celery to resize/rescale image/video, get the resized image/video

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Prashant-Chaurasia/stories

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Demo service that provides endpoint to store image/video in the database, create background task using celery to resize/rescale image/video, get the resized image/video.

Development Setup Without Docker

Database setup
  • Create a psql database and run
  create schema stories_schema;
Redis server setup

This will be used by celery as message broker.

  • Open a new terminal and run the below commands to start redis-server
  curl -O https://download.redis.io/releases/redis-6.2.1.tar.gz
  tar xzf redis-6.2.1.tar.gz
  rm redis-6.2.1.tar.gz
  cd redis-6.2.1
  make
  src/redis-server
Flask app setup
  • Open a new terminal and go to the service directory, and run the following -
  virtualenv -p python3.8 venv
  source venv/bin/activate
  pip install -r requirements.txt
  • Update the env.sh file with the Postgresql user, password, host, port and database name.
  • After updating the env.sh file, run
  bash run_server.sh

The above command will run the server and will also run a celery worker. Now you can hit the endpoints.

Development Setup With Docker

  • Open a terminal, go to the project directory and run -
docker-compose up (-d)
  • You will see that the server_* is crashing, to fix this exec into the db container.
# Open a new terminal, list down all the container
docker ps

# Pick the container with name stories_service_db_1 and run - 
docker exec -it stories_service_db_1 psql -U postgres stories

# Now inside the database run 
create schema stories_schema; 
exit

  • Now you will see the server will restart and will be running.
  • If the server doesn't restarts, press Ctrl-C and run docker-compose up again.

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A service that provides APIs to store image/video in the database, create background task using celery to resize/rescale image/video, get the resized image/video

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