heroku deployment

Author: pdwarkanath

app/Procfile

@@ -0,0 +1 @@
+web: flask db upgrade; flask translate compile; gunicorn microblog:app

app/__init__.py

@@ -68,12 +68,17 @@ def create_app(config_class=Config):
 		mail_handler.setLevel(logging.ERROR)
 		app.logger.addHandler(mail_handler)
 
-		if not os.path.exists('logs'):
-			os.mkdir('logs')
-		file_handler = RotatingFileHandler('logs/microblog.log', maxBytes=10240, backupCount=10)
-		file_handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'))
-		file_handler.setLevel(logging.INFO)
-		app.logger.addHandler(file_handler)
+		if app.config['LOG_TO_STDOUT']:
+			stream_handler = logging.StreamHandler()
+			stream_handler.setLevel(logging.INFO)
+			app.logger.addHandler(stream_handler)
+		else:
+			if not os.path.exists('logs'):
+				os.mkdir('logs')
+			file_handler = RotatingFileHandler('logs/microblog.log', maxBytes=10240, backupCount=10)
+			file_handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]'))
+			file_handler.setLevel(logging.INFO)
+			app.logger.addHandler(file_handler)
 
 		app.logger.setLevel(logging.INFO)
 		app.logger.info('Microblog startup')

config.py

@@ -17,8 +17,9 @@ class Config(object):
     MAIL_PASSWORD = os.environ.get('MAIL_PASSWORD')
 
     ADMINS = ['[email protected]']
-
+    LOG_TO_STDOUT = os.environ.get('LOG_TO_STDOUT')
     GOOGLE_APPLICATION_CREDENTIALS = os.environ.get('GOOGLE_APPLICATION_CREDENTIALS')
     POSTS_PER_PAGE = 3
     LANGUAGES = ['en', 'es']
     ELASTICSEARCH_URL = os.environ.get('ELASTICSEARCH_URL')
+    

requirements.txt

@@ -22,12 +22,14 @@ google-cloud-core==0.29.1
 google-cloud-translate==1.3.3
 googleapis-common-protos==1.5.6
 guess-language-spirit==0.5.3
+gunicorn==19.9.0
 idna==2.8
 itsdangerous==0.24
 Jinja2==2.10
 Mako==1.0.7
 MarkupSafe==1.0
 protobuf==3.6.1
+psycopg2==2.7.7
 pyasn1==0.4.5
 pyasn1-modules==0.2.4
 PyJWT==1.7.1