README.md file update

Author: ajaysharmadeveloper

BaseApp/UserApp/router.py

@@ -4,6 +4,6 @@
 api = APIRouter()
 
 
-@api.get("/")
+@api.get("/index")
 def index():
     return {"key": "value"}

README.md

@@ -1,2 +1,48 @@
 # FastApiArchitecture
  FastApi Project Architecture with database and alembic tools
+
+Create virtual environment then activate to install requirements libraries from requirements.txt
+
+Project is set up in BaseApp folder. In this manager.py file have app configurations.
+
+### Run FastApi Server
+I am using uvicorn server to run app
+
+`uvicorn BaseApp.manager:app --reload`
+
+Database migrations using alembic.
+
+### Initialize alembic 
+**db-migration** is folder name
+
+`alembic init db-migration`
+
+### Configure alembic for database and apps models
+Edit env.py file and change according to this repo env.py file.
+In this change Database url with environment variable and configure into mehod of run_migrations_offline and run_migrations_online.
+
+### Change database url in **alembic.ini** file also
+
+### Auto generate migration script
+import project app models all
+and import project database **Base**
+initialize it like this.
+
+`target_metadata = Base.metadata`
+
+Now we are connected with models for migrations.
+
+### Now generate migration script with this
+This will scan the models and generate upgrade & downgrade scripts.
+
+`alembic revision --autogenerate -m “message”`
+
+### Run migration into database
+This upgrade your model columns into database.
+### Run upgrade command to migrate models
+`alembic upgrade head`
+
+### Run downgrade command to drop models
+`alembic downgrade`
+
+