Hi,Migrating changes from your development environment to the production environment in Odoo involves several steps.

Here are the step by step  guide for Migrating

1) Ensure that your development environment uses a version control system like GitHub. If you haven't already, initialize a Github repository in your development environment and commit your changes

2)Push your committed changes to a remote repository, such as GitHub or GitLab. This will act as a central repository to share your changes.

3)On your production server, pull the changes from the remote repository. Ensure that you have a backup of your production database before making any changes.

Note: Before deploying changes to the production environment, create a comprehensive backup of both the Odoo database and any relevant configuration files. This backup serves as a safety net in case anything goes wrong during the deployment process. In the event of unforeseen issues, having a recent backup allows you to quickly restore the system to its previous state and minimize downtime.

4)Update the Odoo modules on your production server

5) Restart the Odoo service to apply the changes

6)Thoroughly test your changes on the production environment to ensure everything is working as expected.

Hope it helps