updating notes
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todo.md
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todo.md
@@ -125,3 +125,5 @@ Show how to create private + public subnets as in <https://github.com/awsdocs/el
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If you use private subnets, the nat gateway is not cheap - £30 a month. You dont need the nat gateway, you can achieve the same thing with security groups (block all incoming) (explained <https://www.reddit.com/r/aws/comments/75bjei/private_subnets_nats_vs_simply_only_allowing/>). Advantage to NAT is all outgoing requests to the internet come from a single IP.
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Summarise the flow -> VPC, internet gateway, attachment + route tables, subnets etc. Mention the nat gateway but show how it can be replaced with security groups.
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Merge the CF templates into one, make sure all the importing and other s nippets are documented.
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