Pellerex Realtime Messaging Ingress Configs

pellerex-realtime-messsaging-ingress-configs.yaml

ingress:
  enabled: true
  className: ""
  annotations: 
    # This needs to be specific domains, otherwise SignalR will fail
    nginx.ingress.kubernetes.io/configuration-snippet: |
      if ($http_origin ~* "^https?://((?:www\.domain-a\.com)|(?:www\.domain-b\.com)|(?:www\.domain-c\.io)|(?:www\.domain-d\.com))$") {
        set $cors "true";
      }
      if ($request_method = 'OPTIONS') {
        set $cors "${cors}options";
      }

      if ($cors = "true") {
        add_header 'Access-Control-Allow-Origin' "$http_origin" always;
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, PATCH, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'x-signalr-user-agent,x-requested-with,Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
      }

      if ($cors = "trueoptions") {
        add_header 'Access-Control-Allow-Origin' "$http_origin";
        add_header 'Access-Control-Allow-Methods' 'GET, PUT, POST, DELETE, PATCH, OPTIONS';
        add_header 'Access-Control-Allow-Headers' 'x-signalr-user-agent,x-requested-with,Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent';
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range';
        add_header 'Access-Control-Max-Age' 1728000;
        add_header 'Content-Type' 'text/plain charset=UTF-8';
        add_header 'Content-Length' 0;
        return 204;
      }