StackGres already has an implementation of Envoy, the sidecar injected by Istio (istio-proxy) it’s not compatible at the moment. In a k8s cluster with Istio installed you just only need to Annotate the StackGres cluster to avoid the sidecar injection from Istio.
Before you create a StackGres cluster make sure you add the annotation
sidecar.istio.io/inject: 'false' to the pods as is shown below:
apiVersion: stackgres.io/v1 kind: SGCluster metadata: namespace: gitlab-db name: gitlab-db spec: metadata: annotations: pods: sidecar.istio.io/inject: 'false' postgres: version: '12.3' instances: 3
This will avoid your pods enter in a