I’m new to CloudFormation and I need some help in this.

I am a beginner to Cloud Formation and I am using the yaml code below to try and update a pipeline in AWS. Upon committing the yaml code I get the following error

I have two other templates. This template is taking imports from another template and I can share them if need be. I am working on a project with a tight deadline and I am trying to get this done. Any suggestions or feedback would be great

I have two other templates. This template is taking imports from another template and I can share them if need be. I am working on a project with a tight deadline and I am trying to get this done. Any suggestions or feedback would be great

I have a cloudformation template for creating a security group as follows. It references tags.yaml that contains pre-defined tags in a s3 bucket.

I am creating an ALB via Cloudformation Template. One of the resources being created is a target group that will use EC2 instance ID’s that were exported during a previous job. I need to import the values and sub the import name to reflect different environment deployments. Running the cfn-lint tool, this is a correct template:

I have a sample script which creates EC2, CodeBuild, CodeDeploy and its Deployment Group with ALB and then it goes further to setup with codePipeline, however I am getting an error on CodeDeployDeploymentGroup stage,

Hi I am using AWS Cloud Formation Template for defining ECS services. Over the course of time, the number of services have increased and correspondingly, I also have a large number of environment variables. (Around 20). Now I am getting the following error when updating the stack.

Below is my cloudformation snippet that creates a SNS topic along with the subscriptions to the SQS endpoint based on parameters file (paramters.json)

I am using AWS CloudFormation to configure EventBridge Rules to direct events to different SQS queues depending on their contents.
For example: