Updates for Heroku deployment

requirements.txt

@@ -1,5 +1,18 @@
-flask
-flask-slack
-slacker
-wordcloud
-matplotlib
+cycler==0.9.0
+Flask==0.10.1
+Flask-Slack==0.1.5
+itsdangerous==0.24
+Jinja2==2.8
+MarkupSafe==0.23
+matplotlib==1.5.1
+numpy==1.10.4
+Pillow==3.1.0
+pyparsing==2.0.7
+python-dateutil==2.4.2
+pytz==2015.7
+requests==2.9.1
+six==1.10.0
+slacker==0.9.0
+Werkzeug==0.11.3
+wheel==0.24.0
+wordcloud==1.2

slackcloud.py

@@ -25,6 +25,7 @@
 slack_teamid = os.environ.get('SLACK_TEAMID')
 slack_cmd1_name = os.environ.get('SLACK_CMD1_NAME')
 slack_cmd1_token = os.environ.get('SLACK_CMD1_TOKEN')
+port = int(os.environ.get("PORT", 8081))
 
 
 def upload_wordcloud(channel_id, channel_name):
@@ -54,4 +55,4 @@ def parse_slash_cmd(**kwargs):
     return slack.response('Enjoy your wordcloud!')
 
 if __name__ == "__main__":
-    app.run(host='127.0.0.1', port=8081)
+    app.run(host='127.0.0.1', port=port)