Can't deploy dagster on ecs with docker compose.

[seb2704]

What's the issue or suggestion?

I like to deploy dagster with docker compose on ESC. I followed the steps from the github example, but I get the following Error at the last step:

A load balancer cannot be attached to multiple subnets in the same Availability Zone (Service: AmazonElasticLoadBalancing; Status Code: 400; Error Code: InvalidConfigurationRequest; Request ID: 82c117f3-dfa0-498f-8f14-0911e02a2167; Proxy: null) 

I have no clue how to solve this. Do you have any suggestions?

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[jmsanders]

This looks to perhaps be related to docker-archive/compose-cli#921

And that it might be fixed in a more recent version of the docker compose cli - can you try upgrading and going through the example again?

[seb2704]

Thank you, i updated docker compose to version 2.12.2, which solved this problem. But now I'm getting the follwing error message: botocore.exceptions.NoRegionError: You must specify a region. , although the environment variable AWS_REGION is set. Dou you have any clue to solve that? I'm working wiht WSL Ubuntu 20.04

[ei-grad]

Faced the same problem with the region, as in the latest comment. Region could be specified via the ~/.aws/config file or by the AWS_DEFAULT_REGION environment variable. It could worth for dagster-aws library to allow to specify the region argument value for boto3.client() calls in the ECSRunLauncher configuration.

[drawnwren]

I'm still getting the load balancer error with

docker compose 2.16.0
docker cli 23.0.1