[Python] Struggling with Vitess MySQL Integration: Issue

I’m working with Vitess on my server and trying to integrate it with a simple demo Django project using the Vitess MySQL databases. I’ve already set up Vitess using Docker and have successfully logged into MySQL within the Vitess container, and for the container, I used to create a subnet so the container has a separate IP. However, I’m running into an issue when trying to connect to a vitess MySQL server from outside container; even on the same server, it will not connect, showing error only

-> step 1: Connect the vitess mysql server from outside container with the same server.

ERROR IMAGE: enter image description here

-> In that command , i use to connect host as container IP because I am trying to connect vitess MYSQL server from outside the container If I use localhost it will not connect inside container, localhost working fine inside the container but outside we must pointing the container IP then only it connect from outside.

-> Step 2: Connectiong or migrating from Django application

ERROR IMAGE: enter image description here

-> in this django application tring to migrate the data to vitess mysql server it will show this error i tring all aspect of solution but i am not able fix this error. and the django intslef i created on same server and also i create another same project on my localmachine i am facing this same error only.

setting.py(setup)

DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'test_keyspace',
'USER': 'vt_dba',
'PASSWORD': '',
'HOST': '172.20.0.10',
'PORT': '15003',
}


-> I Am completely new from Vitess, so i followed vitess official documentation.

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