django.db.utils.OperationalError: (2002, “Can't connect to MySQL server on 'db' (115)”)

Question

This has already been asked, but none of the answers have helped me. This is my configuration. Im running docker-compose with two services, a web app in django and the datab

Answer 1

your WEB containers starts before the DB is up and running , you need to wait for it using one of these methods or starting your DB first manually with docker-compose up db

Answer 2

Make sure that your db docker image is running fine. Check the logs of the running db container. I am able to use MariaDB successfully in my docker-compose file :

db:
image: mariadb
ports:
  - 3306:3306
environment:
  MYSQL_USER: "****"
  MYSQL_PASSWORD: "****"
  MYSQL_DATABASE: "*****"
  MYSQL_RANDOM_ROOT_PASSWORD: "yes"