Update sanic api layout

Author: jgujerry

sanic-api/app/__init__.py

@@ -1,6 +1,10 @@
 from sanic import Sanic
 import os
 
+from .config import get_config
+from .routes import setup_routes
+
+
 def create_app():
     app = Sanic(__name__)
 

sanic-api/app/config.py

@@ -0,0 +1,12 @@
+import os
+
+def get_config(config_name):
+    if config_name == 'development':
+        from .development import DevelopmentConfig
+        return DevelopmentConfig
+    elif config_name == 'production':
+        from .production import ProductionConfig
+        return ProductionConfig
+    else:
+        from .base import BaseConfig
+        return BaseConfig

sanic-api/app/config/__init__.py

@@ -0,0 +1,4 @@
+class BaseConfig:
+    DEBUG = False
+    TESTING = False
+    DATABASE_URI = 'sqlite:///:memory:'

sanic-api/app/config/base.py

@@ -0,0 +1,5 @@
+from .base.py import BaseConfig
+
+class DevelopmentConfig(BaseConfig):
+    DEBUG = True
+    DATABASE_URI = 'sqlite:///dev_db.sqlite3'

sanic-api/app/config/development.py

@@ -0,0 +1,5 @@
+from .base.py import BaseConfig
+
+class ProductionConfig(BaseConfig):
+    DATABASE_URI = 'postgresql://user:password@localhost/prod_db'
+    DEBUG = False

sanic-api/app/config/production.py

@@ -0,0 +1,4 @@
+from .views import hello_world
+
+def setup_routes(app):
+    app.add_route(hello_world, '/')

sanic-api/app/routes.py

@@ -0,0 +1,4 @@
+from sanic.response import json
+
+async def hello_world(request):
+    return json({'message': 'Hello, world!'})

sanic-api/app/views.py

@@ -1,10 +1,8 @@
-from app import create_app
-from dotenv import load_dotenv
 import os
+from app import create_app
 
-load_dotenv()
-
-app = create_app()
+config_name = os.getenv('SANIC_ENV', 'development')
+app = create_app(config_name)
 
-if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=8000)
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=8000)