Add port to config file.

config.ini

@@ -0,0 +1,2 @@
+[DEFAULT]
+PORT = 8080

pi_temp.py

@@ -51,8 +51,13 @@ import arrow
 import json
 import plotly
 import sqlite3
+import ConfigParser
 from plotly.graph_objs import *
 
+config = ConfigParser.ConfigParser()
+config.read("config.ini")
+port = config.getint('DEFAULT', 'PORT') 
+
 app = Flask(__name__)
 app.debug = True # Make this False if you are no longer debugging
 
@@ -217,4 +222,4 @@ def validate_date(d):
         return False
 
 if __name__ == "__main__":
-    app.run(host='0.0.0.0', port=8080)
+    app.run(host='0.0.0.0', port=port)