I don't know if you were able to solve this or not, but this is what worked for me:
In your .env file change this
DB_HOST=localhost
for this
DB_HOST=mysql
I guess it's because you need to specify the name of the container running the database server and in docker-compose.yml the name for the mysql service is container_name: mysql.
Edit: I see now that the article clearly states that the value for DB_HOST needs to be mysql. For some reason my brain totally skipped that part...
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I don't know if you were able to solve this or not, but this is what worked for me:
In your .env file change this
for this
I guess it's because you need to specify the name of the container running the database server and in docker-compose.yml the name for the mysql service is
container_name: mysql.Edit: I see now that the article clearly states that the value for DB_HOST needs to be
mysql. For some reason my brain totally skipped that part...