ECS: Is there a way to deploy on existing loadbalancers, target groups and rules?

[JohnD87]

Hello,

we do currently use ECS-CLI.
ECS-CLI allows us to specify several existing target groups per task so we can easily setup our infrastructure once and then let the developers update the services with ECS-CLI.

Unfortunatly ECS-CLI is deprecated and the new Copilot Tool has another focus.

The ECS integration of docker compose can basically do everything we want but i cannot find a way to just use an existing target group. Things like https, redirects etc cannot really get configured in a compose file nicely anyways so it makes sense to keep these parts out of it.
However, i can specify an existing loadbalancer which is nice but it feels mostly useless as long as i cannot specify an existing target group.

Is there a way to achieve that?

Thanks.

[ndeloof]

Moving issue to "Cloud Integration" repository, as unrelated to Docker Compose

[JohnPreston]

Hey @JohnD87

I have a tool that focuses on having ECS + Compose compat, taking over in a way from ecs-cli (v1) and adding a more CFN oriented integration to add resources (lbs, rds, etc.) called ECS Compose-X.

I have an integration with x-elbv2 but so far only has creation of new ELB (NLB or ALB), not lookup of existing ones.

Every other resource (RDS, S3 etc.) do have a Lookup Feature.
So I'd be very curious to get your input on what would the "import" of existing LB/TGT Groups would look like and what you'd want to do with these?

I'd imagine for ALB, lookup an existing one, and adding more listeners?
For existing LB + Listeners, adding new rules to new Target groups ? (new services)

Is that what you are trying to achieve?

Cheers,

[JohnD87]

@JohnPreston
Basically just adding new rules + target groups to existing loadbalancers, yes.
We share loadbalancers between a lot of apps. Additional loadbalancers would just add costs and complexity without any benefit.

[stale]

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