Small code cleanups

src/app.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-import logging
 from flask import Flask
 from flask_restful import Api
 import sentry_sdk
@@ -7,14 +6,14 @@ from sentry_sdk.integrations.flask import FlaskIntegration
 from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
 from healthcheck import HealthCheck
 
-from config import *
+from config import Config
 from db import db
 from marshm import ma
 from resources import SampleResource, SampleParameterResource
 from healthchecks import health_database_status
 
 """
-Main Flask RESTful APIm
+Main Flask RESTful API
 """
 
 __author__ = "@tormakris"
@@ -22,34 +21,31 @@ __copyright__ = "Copyright 2020, Birbnetes Team"
 __module_name__ = "app"
 __version__text__ = "1"
 
-if SENTRY_DSN:
+if Config.SENTRY_DSN:
     sentry_sdk.init(
-        dsn=SENTRY_DSN,
+        dsn=Config.SENTRY_DSN,
         integrations=[FlaskIntegration(), SqlalchemyIntegration()],
         traces_sample_rate=1.0,
         send_default_pii=True,
-        release=RELEASE_ID,
-        environment=RELEASEMODE,
+        release=Config.RELEASE_ID,
+        environment=Config.RELEASEMODE,
         _experiments={"auto_enabling_integrations": True}
     )
 
 app = Flask(__name__)
-app.config[
-    'SQLALCHEMY_DATABASE_URI'] = f"postgresql://{POSTGRES_USERNAME}:{POSTGRES_PASSWORD}@{POSTGRES_HOSTNAME}:5432/{POSTGRES_DB}?sslmode=require"
-app.config['EXCHANGE_NAME'] = RABBITMQ_EXCHANGE
-app.config['FLASK_PIKA_PARAMS'] = {'host': RABBITMQ_HOST,
-                                   'username': RABBITMQ_USERNAME,
-                                   'password': RABBITMQ_PASSWORD,
-                                   'port': 5672,
-                                   'virtual_host': '/'}
+app.config.from_object(Config)
+
 api = Api(app)
 health = HealthCheck()
 db.init_app(app)
 ma.init_app(app)
 
-with app.app_context():
+
+@app.before_first_request
+def init_db():
     db.create_all()
 
+
 api.add_resource(SampleResource, "/sample")
 api.add_resource(SampleParameterResource, '/sample/<tag>')