Update Drupal 9 core via composer on your local environment

Open the terminal app (or the terminal in VS Code) and change to the root site directory of the site you are updating
```
cd [path/to/site/root/directory]
```
Switch to the main branch and fetch the latest changes
```
git checkout master
git fetch --all
git pull
```
Create a new branch from the main branch for the Drupal core update
```
git checkout -b update/core-[version]
```
Update Drupal core (use the php that comes with XAMPP)

composer update "drupal/core-*" --with-dependencies

IMPORTANT! Check the release page if there has been changes made to the .htaccess file. Since most sites are customized, discard the changes to retain the current changes
```
git checkout web/.htaccess
```
Open your browser and login to the Drupal admin dashboard.
```
URL: https://www.yoursite.com/user
```
Navigate to yoursite.com/update.php and press the continue button
```
URL: https://www.yoursite.com/update.php
```
IMPORTANT! Check if there are database update. If there are database updates, make sure to backup the database first!
Click the link to go back to the Administration pages and navigate to Report -> Status report page and make sure the site has updated correctly.
Add and commit the changes and included a message with "Updated to [version]"
```
git add .
git commit -m "Updated Drupal core to [version]"
```
Switch back to the master branch and merge the update branch to the main branch and push it to the repository.
```
git checkout master
git merge update/core-[version]
git push
```

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