Beanstalk console cannot pick arm64 options

Question

Using AWS console to create a new environment of an elastic beanstalk app, I cannot select arm64 instances anymore.
When I do so, the console automatically applies as default instance types "t3.micro" which is not a valid arm64 instance type and the call to AWS console backend servers for configuration options fails, making the select not update.

`{"__type":"com.amazonaws.elasticbeanstalk#ConfigurationValidationException","message":"Configuration validation exception: Invalid option specification (Namespace: 'aws:ec2:instances', OptionName: 'InstanceTypes'): Your selected instance types (t3.micro) aren't available in your selected VPC Subnets. . Please check your VPC Subnets."}`

I have never created an env using the AWS CLI and I cwould like to avoid, has anyoene a workaround?

rePost-User-2036977 · Answer

Thanks I will have a look, it seems related indeed.
Sadly the old app was created without terraform, so it won't be super easy.

Antonio Lagrotteria · Answer

Hi,

Seems could be related to this bug: https://repost.aws/questions/QU6Fg7aCOuRIuE1JdnQhTgZw/aws-elastic-beanstalk-new-console-2023-bug.

As workaround, if not comfortable with CLI, you should give a try to Infrastructure as Code (Terraform, CDK, Cloudformation).

As an example , this is a walkthrough to deploy a web app to Elastic Beanstalk (https://aws.amazon.com/getting-started/guides/deploy-webapp-elb/module-two/) using JavaScript.

Hope it helps ;)

Beanstalk console cannot pick arm64 options

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