PDOException SQLSTATE[HY000] [2002] No such file or directory

Question

I believe that I\'ve successfully deployed my (very basic) site to fortrabbit, but as soon as I connect to SSH to run some commands (such as php artisan migrate

Answer 1

I had the same problem using Docker and MySQL service name db in docker_compose.yml file:

I added the following in the .env file:

DB_HOST=db

you should also assure that your host is discoverable from the php app.

It was because PHP didn't figure out which host to use to connect.