...
- Turn off the mill
- Turn off the MC (set number of instances to 0)
- Take DB snapshot
- Restore snapshot into VPC
- Create a new security group for the DB (as part of restore). Dev: open to world on 3306. Prod: open to VPC
- Update MC to point Mill to new VPC DB
- Update Mill config to point to new VPC DB (add new version of mill config in S3)
- Update config file in S3 to point to new VPC DB (add new version of duracloud config in S3)
- Start MC (set number of instances back to 2)
- Restart DuraCloud
- Shutdown non-VPC DB
- Launch Mill
...