zammad-docker-compose/kubernetes/30_configmap_nginx.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-configmap
  namespace: zammad
data:
  config: |-
    #
    # kubernetes nginx config for zammad
    #

    server_tokens off;

    upstream zammad-railsserver {
        server localhost:3000;
    }

    upstream zammad-websocket {
        server localhost:6042;
    }

    server {
        listen 80;

        server_name _;

        root /opt/zammad/public;

        client_max_body_size 50M;

        location ~ ^/(assets/|robots.txt|humans.txt|favicon.ico) {
            expires max;
        }

        location /ws {
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            proxy_set_header CLIENT_IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_read_timeout 86400;
            proxy_pass http://zammad-websocket;
        }

        location / {
            proxy_set_header Host $http_host;
            proxy_set_header CLIENT_IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_read_timeout 180;
            proxy_pass http://zammad-railsserver;

            gzip on;
            gzip_types text/plain text/xml text/css image/svg+xml application/javascript application/x-javascript application/json application/xml;
            gzip_proxied any;
        }
    }