upstream-nginx.yaml

---
# nginx conf configmap
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  namespace: api7
data:
  nginx.conf: |
    master_process on;

    worker_processes 8;
    events {
        worker_connections 8192;
    }

    http {
        resolver ipv6=off 8.8.8.8;

        #access_log logs/access.log;
        access_log off;
        server_tokens off;
        keepalive_requests 10000000;

        server {
            listen 1980;
            server_name _;

            location / {
                proxy_set_header Connection "";
                return 200 "hello world\n";
            }
        }
    }
---
# nginx deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: api7
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        volumeMounts:
        - name: nginx-config-volume
          mountPath: /etc/nginx/nginx.conf
          subPath: nginx.conf
      nodeSelector:
        nodeName: upstream
      volumes:
      - name: nginx-config-volume
        configMap:
          name: nginx-config
---