1. Bucardo to sync up data between Heroku to AWS
 2. Migrate all service to AWS (no production traffic yet)
 3. Create ELB to point Heroku instance (to minimize the downtime)
 4. Update CNAME record in GoDaddy to point AWS ELB (wait for initial data sync)
 5. Disable/turn off connection between ELB to Heroku
 6. Turnoff all services on Heroku which are writing to DB(Downtime started here)
 7. Let the DB replication complete
 8. Stop DB sync (bucardo)
 9. Start all service on AWS