ArjunDandagi/expose-all-service-via-nodeport.yaml

## expose-all-service-via-nodeport.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-reverseproxy-config
data:
  nginx.conf: |
    events {}

    http {

      server {
        listen 80;

        # ================= HOMEPAGE =================
        location = / {
          default_type text/html;
          return 200 '
          <html>
          <head>
            <title>K8s Observability Gateway</title>
            <style>
              body { font-family: Arial; padding: 40px; background:#111; color:#eee; }
              h1 { color:#00d4ff; }
              ul { line-height: 2; }
              a { color:#00ff99; text-decoration:none; font-size:18px; }
              a:hover { text-decoration:underline; }
            </style>
          </head>
          <body>
            <h1>Cluster Services</h1>
            <ul>
              <li><a href="/grafana/">Grafana</a></li>
              <li><a href="/prometheus/">Prometheus</a></li>
              <li><a href="/kiali/">Kiali</a></li>
              <li><a href="/jaeger/">Jaeger</a></li>
              <li><a href="/zipkin/">Zipkin</a></li>
            </ul>
          </body>
          </html>';
        }

        # ================= GRAFANA =================
        location /grafana/ {
          proxy_pass http://grafana:3000/;
          proxy_redirect ~^/(.*)$ /grafana/$1;
          sub_filter_once off;
          sub_filter 'href="/'  'href="/grafana/';
          sub_filter 'src="/'   'src="/grafana/';
        }

        # ================= PROMETHEUS =================
        location /prometheus/ {
          proxy_pass http://prometheus:9090/;
          proxy_redirect ~^/(.*)$ /prometheus/$1;
          sub_filter_once off;
          sub_filter 'href="/'  'href="/prometheus/';
          sub_filter 'src="/'   'src="/prometheus/';
        }

        # ================= KIALI =================
        location /kiali/ {
          proxy_pass http://kiali:20001/;
          proxy_redirect ~^/(.*)$ /kiali/$1;
          sub_filter_once off;
          sub_filter 'href="/'  'href="/kiali/';
          sub_filter 'src="/'   'src="/kiali/';
        }

        # ================= JAEGER =================
        location /jaeger/ {
          proxy_pass http://tracing:80/;
          proxy_redirect ~^/(.*)$ /jaeger/$1;
          sub_filter_once off;
          sub_filter 'href="/'  'href="/jaeger/';
          sub_filter 'src="/'   'src="/jaeger/';
        }

        # ================= ZIPKIN =================
        location /zipkin/ {
          proxy_pass http://zipkin:9411/;
          proxy_redirect ~^/(.*)$ /zipkin/$1;
          sub_filter_once off;
          sub_filter 'href="/'  'href="/zipkin/';
          sub_filter 'src="/'   'src="/zipkin/';
        }

      }
    }
---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-reverseproxy
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx-reverseproxy
  template:
    metadata:
      labels:
        app: nginx-reverseproxy
    spec:
      containers:
      - name: nginx
        image: nginx:stable
        ports:
        - containerPort: 80
        volumeMounts:
        - name: config
          mountPath: /etc/nginx/nginx.conf
          subPath: nginx.conf
      volumes:
      - name: config
        configMap:
          name: nginx-reverseproxy-config
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-reverseproxy
spec:
  type: NodePort
  selector:
    app: nginx-reverseproxy
  ports:
    - port: 80
      targetPort: 80
      nodePort: 30080
	apiVersion: v1
	kind: ConfigMap
	metadata:
	name: nginx-reverseproxy-config
	data:
	nginx.conf: \|
	events {}

	http {

	server {
	listen 80;

	# ================= HOMEPAGE =================
	location = / {
	default_type text/html;
	return 200 '
	<html>
	<head>
	<title>K8s Observability Gateway</title>
	<style>
	body { font-family: Arial; padding: 40px; background:#111; color:#eee; }
	h1 { color:#00d4ff; }
	ul { line-height: 2; }
	a { color:#00ff99; text-decoration:none; font-size:18px; }
	a:hover { text-decoration:underline; }
	</style>
	</head>
	<body>
	<h1>Cluster Services</h1>
	<ul>
	<li><a href="/grafana/">Grafana</a></li>
	<li><a href="/prometheus/">Prometheus</a></li>
	<li><a href="/kiali/">Kiali</a></li>
	<li><a href="/jaeger/">Jaeger</a></li>
	<li><a href="/zipkin/">Zipkin</a></li>
	</ul>
	</body>
	</html>';
	}

	# ================= GRAFANA =================
	location /grafana/ {
	proxy_pass http://grafana:3000/;
	proxy_redirect ~^/(.*)$ /grafana/$1;
	sub_filter_once off;
	sub_filter 'href="/' 'href="/grafana/';
	sub_filter 'src="/' 'src="/grafana/';
	}

	# ================= PROMETHEUS =================
	location /prometheus/ {
	proxy_pass http://prometheus:9090/;
	proxy_redirect ~^/(.*)$ /prometheus/$1;
	sub_filter_once off;
	sub_filter 'href="/' 'href="/prometheus/';
	sub_filter 'src="/' 'src="/prometheus/';
	}

	# ================= KIALI =================
	location /kiali/ {
	proxy_pass http://kiali:20001/;
	proxy_redirect ~^/(.*)$ /kiali/$1;
	sub_filter_once off;
	sub_filter 'href="/' 'href="/kiali/';
	sub_filter 'src="/' 'src="/kiali/';
	}

	# ================= JAEGER =================
	location /jaeger/ {
	proxy_pass http://tracing:80/;
	proxy_redirect ~^/(.*)$ /jaeger/$1;
	sub_filter_once off;
	sub_filter 'href="/' 'href="/jaeger/';
	sub_filter 'src="/' 'src="/jaeger/';
	}

	# ================= ZIPKIN =================
	location /zipkin/ {
	proxy_pass http://zipkin:9411/;
	proxy_redirect ~^/(.*)$ /zipkin/$1;
	sub_filter_once off;
	sub_filter 'href="/' 'href="/zipkin/';
	sub_filter 'src="/' 'src="/zipkin/';
	}

	}
	}
	---

	apiVersion: apps/v1
	kind: Deployment
	metadata:
	name: nginx-reverseproxy
	spec:
	replicas: 1
	selector:
	matchLabels:
	app: nginx-reverseproxy
	template:
	metadata:
	labels:
	app: nginx-reverseproxy
	spec:
	containers:
	- name: nginx
	image: nginx:stable
	ports:
	- containerPort: 80
	volumeMounts:
	- name: config
	mountPath: /etc/nginx/nginx.conf
	subPath: nginx.conf
	volumes:
	- name: config
	configMap:
	name: nginx-reverseproxy-config
	---
	apiVersion: v1
	kind: Service
	metadata:
	name: nginx-reverseproxy
	spec:
	type: NodePort
	selector:
	app: nginx-reverseproxy
	ports:
	- port: 80
	targetPort: 80
	nodePort: 30080
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