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- 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
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