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25.AWS-CloudFormationTemplates

25.AWS-CloudFormationTemplates


..Management & Governance - CloudFormation

.........................
IAAC - Infra As A Code.(Writ in JSON, YAML are Declarativ Scrips langw)

Infra consistance ,
in code Boolen- True or flase,String - not a number("10.1.0.0/16") ,
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-ec2-vpc.html

{} - for code starting to end, [] - for List exam Tages more than one do
..
CHECK CODE ONLINE : https://jsonlint.com/
1.Create a stack::

.24.43..Go cloud Formation-Stacks-chossfile-select-next-(27.43)-StackName-enter Namevpc-
-vpccider,pulicesubnetcider,namevpc-Next-Advanced options-Stack policy,Rollback configuration,
Notification options,Stack creation options, -Next-Create-keep this-file in git or bitBucket,-go
and check VPC,sunet,,,,all are created.


Only infra strutcher created-now adding one machineusing cloudformation-(42.00)

-action-Update Stack-choosefile-next-next-next-Previe your changes(Under Replasment alwas Fals..ok..True means Danger chk )- now instance creatd
,,..
if key pair can updating - @the time Replacent getting TruMeans Your instance Deleting and newlly creating..

you can do cloud formation in GIU Doing........(51.57)

2.Create a Stack Set::

,..........
IN stack set you can deploy in other acoun also.........lik DEV,PROD,TEST,/...........

3.Degin a Templet:

....CREATE A DIGIN- Dragg and Drop...

4.Create  a Templet From Your Existing Resource::

...cloudformer........
aws cloud former youtub.....

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