Flow:

• Developer create feature branch from dev branch for develop feature code
• After develop from feature branch finish , Developer will merge feature branch to dev branch
• Source code in dev branch will deploy application by pipeline to dev environment for testing
• And when need to deploy application to sit environment, Deveoper will merger dev branch to main branch and tag version at main branch
• Source code that tag version will deploy application by pipeline to sit environment for testing

for start develop new application, clone source code from repository

git clone xxxx.git

After clone source code, normally it will start from main or master branch. So first need to create dev branch before to not existing

git branch dev

Chenge working branch to dev branch

git checkout dev

Create feature base on dev branch for develop code

git branch feature/test

Change working branch to feature branch

git checkout feature/test

After devlope code finish in feature branch, push code back to feature branch on repository

git push

Update dev branch, merge feature branch to dev branch

git checkout dev 
git merge feature/test
git push

If application on dev envrionment running ok and need to deploy to sit enviroment, merge dev branch to main branch

git checkout main
git merge dev
git push