When I went in to pull the new stack trace I realized it was still trying to reference SQLite3. Looking at the database.yml file and noticed it was still trying to load some SQLite3 items through the "Default". I took out the default reference under production and put in info for PostgreSQL instead. That fixed the issue. The build completes successfully now and the application loads. As a note, the app I was trying to do was static pages only with no backend database.

Thanks everyone for your help and guidance.