2023-02-05 - Neo4j Connection in VPC

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  • if ec2 has public ip we can access from internet, and from lambda outside vpc
  • if we don't have that ip we will not be able to access ec2 from Lambda
  • so to secure database we need to add Lambda into VPC
  • lambda in VPC are able to be invoked by outside of VPC resources (queues/invoke/api gateway)
  • lambda in VPC cannot invoke out of VPC resources? eg queues/lambdas. maybe can through NAT
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