Support replicated AWS gateways with ACM - #4071
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Gateways with an ACM certificate can now have more
than one replica.
```yaml
type: gateway
backend: aws
region: eu-west-1
domain: example.com
certificate:
type: acm
arn: arn:aws:acm:eu-west-1:164099421079:certificate/3670388f-f43b-4872-aaf8-907b107a170d
replicas: 2
```
Load balancing across gateway replicas is
performed by a single ALB associated with the
gateway.
```shell
$ dstack gateway list
NAME BACKEND HOSTNAME DOMAIN DEFAULT STATUS
little-sloth dstack-qe1na76o-lb-187858581.eu-west-1.elb.amazonaws.com example.com running
replica=0 aws (eu-west-1) 18.202.25.65 running
replica=1 aws (eu-west-1) 3.255.100.238 running
```
jvstme
marked this pull request as ready for review
July 29, 2026 18:25
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Gateways with an ACM certificate can now have more than one replica.
Load balancing across gateway replicas is
performed by a single ALB associated with the
gateway.
$ dstack gateway list NAME BACKEND HOSTNAME DOMAIN DEFAULT STATUS little-sloth dstack-qe1na76o-lb-187858581.eu-west-1.elb.amazonaws.com example.com running replica=0 aws (eu-west-1) 18.202.25.65 running replica=1 aws (eu-west-1) 3.255.100.238 running#3959