The issue is a common Docker networking problem. When running inside Docker, "localhost" refers to the Docker container itself, not your host machine where MySQL is running. To fix this, you need to: ...

Please: Check that MySQL is running on address localhost. Check that MySQL is reachable on port 3306 (note: 3306 is the default, but this can be changed). Check the user root has rights to connect to ...

pymysql.err.OperationalError: (2003, "Can't connect to MySQL server on 'localhost' ( [Errno 111] Connection refused)") #20591 Closed radhikagattani183 opened on Feb 14, 2020 ...