Creating your first stack

I'm sure you've done this before.

We begin by developing our template first. This is going to be a simple S3 bucket. I'm going to use YAML template formatting, but you may use JSON formatting if you wish:

MyBucket.yaml

AWSTemplateFormatVersion: "2010-09-09"
Description: This is my first bucket
Resources:
  MyBucket:
    Type: AWS::S3::Bucket

Now we just need to create the stack with awscli:

$ aws cloudformation create-stack \
                     --stack-name mybucket\
                     --template-body file://MyBucket.yaml

After a while, we will see our bucket created if we go to the AWS console or run aws s3 ls.

Now let's add some public access to our bucket:

MyBucket.yaml

AWSTemplateFormatVersion: "2010-09-09"
Description: This is my first bucket
Resources:
  MyBucket:
    Type: AWS::S3::Bucket
    Properties:
      AccessControl: PublicRead

Let's run the update operation:

$ aws cloudformation update-stack \ 
                     --stack-name mybucket \
                     --template-body file://MyBucket.yaml

To clean up your workspace, simply delete your stack using the following command:

$ aws cloudformation delete-stack --stack-name mybucket

Let's now look at the CloudFormation IAM permissions.