Set up traefik ingressroute with prefixstrip middleware to avoid extra network hop

12-deploying-containers/kubernetes/client-react-nginx.yml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: client-react-nginx
+  labels:
+    app: client-react-nginx
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: client-react-nginx
+  template:
+    metadata:
+      labels:
+        app: client-react-nginx
+    spec:
+      containers:
+      - image: sidpalas/devops-directive-docker-course-client-react-nginx:5
+        name: client-react-nginx
+        ports:
+        - containerPort: 80
+          protocol: TCP
+        readinessProbe:
+          failureThreshold: 3
+          httpGet:
+            path: /ping
+            port: 80
+        resources:
+          limits:
+            memory: 100Mi
+          requests:
+            cpu: 50m
+            memory: 100Mi
+        securityContext:
+          allowPrivilegeEscalation: false
+          privileged: false
+        volumeMounts:
+        - mountPath: /etc/nginx/conf.d
+          name: nginx-conf
+      securityContext:
+        seccompProfile:
+          type: RuntimeDefault
+      volumes:
+      - configMap:
+          defaultMode: 420
+          name: nginx-conf
+        name: nginx-conf
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nginx-conf
+data:
+  default.conf: |-
+    server {
+      listen 80;
+
+      location /ping {
+            access_log off;
+            add_header 'Content-Type' 'text/plain';
+            return 200 "pong";
+      }
+
+      location / {
+        root /usr/share/nginx/html;
+        index index.html index.htm;
+        try_files $uri $uri/ /index.html =404;
+      }
+      
+      include /etc/nginx/extra-conf.d/*.conf;
+    }

12-deploying-containers/kubernetes/ingress-route.yml

@@ -0,0 +1,45 @@
+apiVersion: traefik.containo.us/v1alpha1
+kind: IngressRoute
+metadata:
+  name: primary
+spec:
+  entryPoints:
+    - web
+  routes:
+  - kind: Rule
+    match: Host(`docker-course-kubernetes.devopsdirective.com`)
+    services:                       
+    - kind: Service
+      name: client-react-nginx
+      namespace: default
+      port: 80
+      scheme: http
+  - kind: Rule
+    match: Host(`docker-course-kubernetes.devopsdirective.com`) && PathPrefix(`/api/node`)
+    middlewares:
+    - name: strip-api-prefixes
+    services:
+    - kind: Service
+      name: api-node
+      port: 3000
+      scheme: http
+  - kind: Rule
+    match: Host(`docker-course-kubernetes.devopsdirective.com`) && PathPrefix(`/api/golang`)
+    middlewares:
+    - name: strip-api-prefixes
+    services:
+    - kind: Service
+      name: api-golang
+      port: 8080
+      scheme: http
+---
+apiVersion: traefik.containo.us/v1alpha1
+kind: Middleware
+metadata:
+  name: strip-api-prefixes
+spec:
+  stripPrefix:
+    forceSlash: false
+    prefixes:
+      - /api/node
+      - /api/golang

12-deploying-containers/kubernetes/ingress.yml

@@ -1,11 +0,0 @@
-apiVersion: networking.k8s.io/v1
-kind: Ingress
-metadata:
-  name: primary
-  namespace: default
-spec:
-  defaultBackend:
-    service:
-      name: client-react-nginx
-      port:
-        number: 80

12-deploying-containers/kubernetes/nginx-kubernetes.conf

@@ -1,37 +0,0 @@
-server {
-  listen 80;
-  
-  # Kubernetes dns server
-  resolver kube-dns.kube-system.svc.cluster.local valid=5s;
-
-  location /ping {
-        access_log off;
-        add_header 'Content-Type' 'text/plain';
-        return 200 "pong";
-  }
-  location /api/golang/ {
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Server $host;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_http_version 1.1;
-
-        set $api_golang_upstream api-golang.default.svc.cluster.local:8080/;
-        proxy_pass http://$api_golang_upstream;
-  }
-  location /api/node/ {
-        proxy_set_header X-Forwarded-Host $host;
-        proxy_set_header X-Forwarded-Server $host;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_http_version 1.1;
-
-        set $api_node_upstream api-node.default.svc.cluster.local:3000/;
-        proxy_pass http://$api_node_upstream;
-  }
-  location / {
-    root /usr/share/nginx/html;
-    index index.html index.htm;
-    try_files $uri $uri/ /index.html =404;
-  }
-  
-  include /etc/nginx/extra-conf.d/*.conf;
-}