Update config

Source the configuration from an environment file, this way it is similar to how the aws environment works

app/__init__.py

@@ -8,7 +8,6 @@ from flask import Flask, _request_ctx_stack
 from flask.ext.sqlalchemy import SQLAlchemy
 from flask_marshmallow import Marshmallow
 from werkzeug.local import LocalProxy
-from config import configs
 from utils import logging
 
 
@@ -18,15 +17,14 @@ ma = Marshmallow()
 api_user = LocalProxy(lambda: _request_ctx_stack.top.api_user)
 
 
-def create_app(config_name, config_overrides=None):
+def create_app():
     application = Flask(__name__)
 
-    application.config['NOTIFY_API_ENVIRONMENT'] = config_name
-    application.config.from_object(configs[config_name])
+    application.config.from_object(os.environ['NOTIFY_API_ENVIRONMENT'])
 
     db.init_app(application)
     ma.init_app(application)
-    init_app(application, config_overrides)
+    init_app(application)
     logging.init_app(application)
 
     from app.service.rest import service as service_blueprint
@@ -46,16 +44,7 @@ def create_app(config_name, config_overrides=None):
     return application
 
 
-def init_app(app, config_overrides):
-    for key, value in app.config.items():
-        if key in os.environ:
-            app.config[key] = convert_to_boolean(os.environ[key])
-
-    if config_overrides:
-        for key in app.config.keys():
-            if key in config_overrides:
-                    app.config[key] = config_overrides[key]
-
+def init_app(app):
     @app.before_request
     def required_authentication():
         if request.path != url_for('status.show_status'):
@@ -72,51 +61,6 @@ def init_app(app, config_overrides):
         return response
 
 
-def convert_to_boolean(value):
-    """Turn strings to bools if they look like them
-
-    Truthy things should be True
-    >>> for truthy in ['true', 'on', 'yes', '1']:
-    ...   assert convert_to_boolean(truthy) == True
-
-    Falsey things should be False
-    >>> for falsey in ['false', 'off', 'no', '0']:
-    ...   assert convert_to_boolean(falsey) == False
-
-    Other things should be unchanged
-    >>> for value in ['falsey', 'other', True, 0]:
-    ...   assert convert_to_boolean(value) == value
-    """
-    if isinstance(value, string_types):
-        if value.lower() in ['t', 'true', 'on', 'yes', '1']:
-            return True
-        elif value.lower() in ['f', 'false', 'off', 'no', '0']:
-            return False
-
-    return value
-
-
-def convert_to_number(value):
-    """Turns numeric looking things into floats or ints
-
-    Integery things should be integers
-    >>> for inty in ['0', '1', '2', '99999']:
-    ...   assert isinstance(convert_to_number(inty), int)
-
-    Floaty things should be floats
-    >>> for floaty in ['0.99', '1.1', '1000.0000001']:
-    ...   assert isinstance(convert_to_number(floaty), float)
-
-    Other things should be unchanged
-    >>> for value in [0, 'other', True, 123]:
-    ...   assert convert_to_number(value) == value
-    """
-    try:
-        return float(value) if "." in value else int(value)
-    except (TypeError, ValueError):
-        return value
-
-
 def get_api_version():
     build = 'n/a'
     build_time = "n/a"