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I’m not sure about your specific question, but the aws-ts example in the repo shows it set up slightly differently… https://github.com/pulumi/examples/blob/master/aws-ts-hello-fargate/index.ts Perhaps that could be helpful?

There are multiple examples showing usage of load balancers I have tried, e.g. • https://www.pulumi.com/docs/reference/pkg/nodejs/pulumi/awsx/lb/ • https://www.pulumi.com/docs/reference/pkg/nodejs/pulumi/awsx/ecs/ But none of them handles the case when the task port differs from the listener port. Such example would be really helpful

Yeah hopefully someone else can jump in and help you out, this isn’t my area of expertise 🙂

Got some sleep and it was worthy. I found out where the problem was. The load balancer's security group didn't have an outbound rule allowing traffic to the target group / health check port. I think this should be carried out by the package, though.