Session-30.txt

Module developer
-----------------
resource creation/definitions are here
variables are must, because diff projects have diff requirements
data, locals, functions
module developer has to give documentation about inputs and outputs


Module user
-----------------
he need to provide variables/inputs according to documentation


vpc module
-----------------
we should only allow user to create resources in 1a and 1b region. he can give any region
we should only accept 2 public/private/database subnets.
let's ask project name from user so that we can give

<project-name>-public-<az>
<project-name>-private-<az>
<project-name>-database-<az>

vpc

any server if it wants to install some packages it needs to connect internet

NAT --> it should elastic IP
ISP will give dynamic IP address
you can request ISP to provide static IP, but they charge like 500-1000 rs


EIP
NAT Gateway
we need to add that as route in private and database route tables