dosubot[bot] commented on issue #31862:
URL: https://github.com/apache/superset/issues/31862#issuecomment-2591931097
<!-- Answer -->
To resolve the issue with Superset 4.1.1 hanging at the "Applying DB
migrations" stage and the insecure `SECRET_KEY` warning, follow these steps:
1. **Set a Strong `SECRET_KEY`**: In your `superset_config.py` file, set a
strong, random `SECRET_KEY`. This is crucial for securely signing session
cookies and encrypting sensitive information. You can generate a secure key
using the following command:
```bash
openssl rand -base64 42
```
Then, set it in your configuration file:
```python
SECRET_KEY = 'YOUR_OWN_RANDOM_GENERATED_SECRET_KEY'
```
2. **Check `SQLALCHEMY_DATABASE_URI`**: Ensure that your
`SQLALCHEMY_DATABASE_URI` is correctly configured for MySQL. It should look
like this:
```python
SQLALCHEMY_DATABASE_URI = 'mysql://<UserName>:<DBPassword>@<Database
Host>/<Database Name>'
```
Replace `<UserName>`, `<DBPassword>`, `<Database Host>`, and `<Database
Name>` with your actual database credentials and details.
These steps should help resolve the hanging issue and the insecure
`SECRET_KEY` warning
<sup>[[1]](https://github.com/apache/superset/blob/master/docs/docs/configuration/configuring-superset.mdx)</sup>.
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