Solve "host not allowed to connect" on new install of xibo-docker-331 in Docker desktop

Job ID: 35591759

Budget: $30 – $250 USD

When I try to start localhost: SQLSTATE[HY000] [1130] Host '172.18.0.3' is not allowed to connect to this MySQL server.
Help to fix this and get it running.
Related categories: PHP System Admin Linux MySQL Docker