TODO-24 (in docker) DONE

README

@@ -24,10 +24,7 @@ python3 main.py
 	MUST use form.errors when we have a validator that is fancier than not empty (year_published in book and num_books in series SO FAR)
 
 
-#### TODOS (next 26):
-TODO-24:	get this into docker (as per TODO above)
-			gunicorn and it seems easy enough:  https://www.digitalocean.com/community/tutorials/how-to-serve-flask-applications-with-gunicorn-and-nginx-on-ubuntu-18-04
-
+#### TODOS (next 27):
 TODO-08:	show books on shelf list
 TODO-09:	show books to buy view / printable
 TODO-11:	show unrated books  (with toggle to exclude those with missing in a series)
@@ -48,3 +45,5 @@ TODO-05:	should deleting really just ask if want to mark it as SOLD?  IN FACT, m
 TODO-20:	ORM all books load is slow
 			- should I lazy load all books (ajax the 2nd->last pages in, or not use ORM, and do a quick db.execute()....)
 TODO-21:	allow a way to add a book as a child of another existing book (opposite of rem_sub_book)
+
+TODO-26:	gunicorn and/or more modern non-flask???

main.py

@@ -7,15 +7,20 @@ from wtforms import SubmitField, StringField, HiddenField, SelectField, IntegerF
 from flask_wtf import FlaskForm
 from status import st, Status
 import re
+import socket
 
 ####################################### Flask App globals #######################################
+DEV_HOST="mara"
+hostname = socket.gethostname()
+print( "Running on: {}".format( hostname) )
 app = Flask(__name__)
 ### what is this value? I gather I should chagne it?
 
 # local DB conn string
-DB_URL = 'postgresql+psycopg2://ddp:NWNlfa01@127.0.0.1:5432/library'
-# using temp.docker DB conn string
-DB_URL = 'postgresql+psycopg2://ddp:blahdeblah@172.18.0.20:5432/library'
+if hostname == DEV_HOST:
+    DB_URL = 'postgresql+psycopg2://ddp:NWNlfa01@127.0.0.1:5432/library'
+else:
+    DB_URL = 'postgresql+psycopg2://ddp:blahdeblah@bookdb:5432/library'
 
 app.config['SQLALCHEMY_DATABASE_URI'] = DB_URL
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
@@ -644,4 +649,7 @@ def main_page():
     return render_template("base.html", alert=st.GetAlert(), message=st.GetMessage())
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", debug=True)
+    if hostname == DEV_HOST:
+        app.run(host="0.0.0.0", debug=True)
+    else:
+        app.run(host="0.0.0.0", debug=False)