loadgenerator and imageprovider won't start in helm-chart if ipv6 is disabled

[hurra]

Bug Report

Which version of the demo you are using? (please provide either a specific
Chart 0.32.8
App-Version 1.11.1

Symptom

On our kubernetes cluster ipv6 is disabled. The two services imageprovider and loadgenerator won't start if ipv6 isn't available.

errormessage for imageprovider:

$kubectl logs my-otel-demo-imageprovider-57f7b78c6c-2dfmw
load_module modules/ngx_otel_module.so;

events {
    worker_connections 1024;
}

http {
    otel_exporter {
        endpoint my-otel-demo-otelcol:4317;
    }
    otel_trace on;
    otel_trace_context propagate;
    otel_service_name imageprovider;
    otel_span_name imageprovider;


    include mime.types;
    sendfile on;
    server {
        listen 8081;
        listen [::]:8081;

        resolver 127.0.0.11;
        autoindex off;

        server_name _;
        server_tokens off;

        root /static;
        gzip_static on;
    }
}
2024/10/10 12:20:33 [emerg] 1#1: socket() [::]:8081 failed (97: Address family not supported by protocol)
nginx: [emerg] socket() [::]:8081 failed (97: Address family not supported by protocol)

The error for loadgenerator was already fixed for docker-compose, but not for the helm chart:
#1509