FastAPI conversion

Pipfile

@@ -9,13 +9,19 @@ pytest = "*"
 pylint = "*"
 
 [packages]
+fastapi = "*"
 flask = "*"
 python-dotenv = "*"
 requests = "*"
 gunicorn = "*"
 flask-cors = "*"
 cachetools = "*"
 python-dateutil = "*"
+uvicorn = "*"
 
 [requires]
 python_version = "3.8"
+
+[scripts]
+dev_app = "uvicorn app.main:APP --reload"
+app = "uvicorn app.main:APP"

Procfile

@@ -1 +1 @@
-web: gunicorn app:create_app\(\)
+web: gunicorn app.main:APP -k uvicorn.workers.UvicornWorker

README.md

@@ -46,6 +46,14 @@ You can open the URL in your browser to further inspect the response. Or you can
 curl https://coronavirus-tracker-api.herokuapp.com/v2/locations | json_pp
 ```
 
+### Swagger/OpenAPI
+
+An [interactive SwaggerUI](https://coronavirus-tracker-api.herokuapp.com/) exists for the `v2` endpoints.
+
+Mobile friendly ReDocs can be reached at https://coronavirus-tracker-api.herokuapp.com/docs
+
+The [OpenAPI](https://swagger.io/docs/specification/about/) json can be downloaded at https://coronavirus-tracker-api.herokuapp.com/openapi.json
+
 ## API Endpoints 
 
 ### Sources Endpoint

app/__init__.py

@@ -1,27 +1,4 @@
-from flask import Flask
-from flask_cors import CORS
-
 # See PEP396.
 __version__ = '2.0'
 
-def create_app():
-    """
-    Construct the core application.
-    """
-    # Create flask app with CORS enabled.
-    app = Flask(__name__)
-    CORS(app)
-
-    # Set app config from settings.
-    app.config.from_pyfile('config/settings.py');
-
-    with app.app_context():
-        # Import routes.
-        from . import routes
-
-        # Register api endpoints.
-        app.register_blueprint(routes.api_v1)
-        app.register_blueprint(routes.api_v2)
-
-        # Return created app.
-        return app
+from .core import create_app

app/core.py

@@ -0,0 +1,23 @@
+from flask import Flask
+from flask_cors import CORS
+
+def create_app():
+    """
+    Construct the core application.
+    """
+    # Create flask app with CORS enabled.
+    app = Flask(__name__)
+    CORS(app)
+
+    # Set app config from settings.
+    app.config.from_pyfile('config/settings.py');
+
+    with app.app_context():
+        # Import routes.
+        from . import routes
+
+        # Register api endpoints.
+        app.register_blueprint(routes.api_v1)
+
+        # Return created app.
+        return app