How to let AWS lambda in a VPC to publish SNS notification?

Question

I have a lambda function that accesses my Postgres db in RDS via VPC. After it queries the db, I want to post a notification to SNS. Because my lambda function exists in my

Answer 1

You will need a NAT server running in your VPC to route traffic outside of the VPC. AWS now offers a managed NAT service that makes this easier.