Submission for 2018 Insight DevOps Engineering Systems Puzzle Challenge

Changes made:

1. Changed requirements.txt to use psycopg2-binary

2. changed nginx port to "8080:80" in docker compose file

3. Changed nginx pass_proxy and flaskapp exposed port to 5000

4. Removed 'server_name localhost' line from nginx flaskapp.conf file

5. Enhenced the output for flaskapp route "/success"

6. Added repr(self) for class Items

Thanks much for the oppourtunity to participate this challenge!