That’s expensive. You don’t need Aws. If you want 4 cores launch 4 $5 digital ocean droplets. Galaxy is also cheaper for you at 13 dollars per droplet.
Check out my article first experiences scaling meteor for help doing this with nginx. It’s pinned to my profile.
Also, your ssl certificate will expire after 90 days.
Lastly, I’d say you should only scale up to 4 servers if you need it. For most apps starting out 1 droplet is enough. Add more when needed.