Fix local development setup (#4)

README.md

@@ -137,6 +137,8 @@ We offer the following installation methods:
 
 1. Run `kubectl get nodes` to verify you're connected to “Kubernetes on Docker”.
 
+1. Run `kubectl create ns demo-env` to create a namespace to run the app in.
+
 1. Run `skaffold run` (first time will be slow, it can take ~20 minutes).
    This will build and deploy the application. If you need to rebuild the images
    automatically as you refactor the code, run `skaffold dev` command.
@@ -159,6 +161,22 @@ We offer the following installation methods:
     kubectl port-forward deployment/frontend 8080:8080
     ```
 
+1. Access the load generator UI through your browser
+    - **Minikube** requires you to run a command to access the frontend service:
+
+    ```shell
+    minikube service loadgenerator
+    ```
+
+    - **Docker For Desktop** should be automatically accessible by http://localhost:8089
+
+    - **Kind** does not provision an IP address for the service.
+      You must run a port-forwarding process to access the frontend at http://localhost:8089:
+
+    ```shell
+    kubectl port-forward deployment/loadgenerator 8089:8089
+    ```
+
 ### Option 2: Running on Google Kubernetes Engine (GKE)
 
 > 💡 Recommended if you're using Google Cloud Platform and want to try it on

hack/make-release-artifacts.sh

@@ -78,6 +78,16 @@ mk_kubernetes_manifests() {
         out_manifest="$(gsed -r "s|$pattern|$replace|g" <(echo "${out_manifest}") )"
     done
 
+    # insert node selector
+    pattern="^(\s*)nodeSelector:"
+    replace="\1nodeSelector: \n\1  dedicated: demo-env"
+    out_manifest="$(gsed -r "s|$pattern|$replace|g" <(echo "${out_manifest}") )"
+
+    # substitude loadgenerator port: 8089 -> 80
+    pattern="^(\s*)port:\s+8089(\s*)"
+    replace="\1port: 80\2"
+    out_manifest="$(gsed -r "s|$pattern|$replace|g" <(echo "${out_manifest}") )"
+
     print_license_header
     print_autogenerated_warning
     echo "${out_manifest}"

kubernetes-manifests/adservice.yaml

@@ -32,7 +32,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
       - name: server
         image: adservice

kubernetes-manifests/cartservice.yaml

@@ -32,7 +32,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
       - name: server
         image: cartservice

kubernetes-manifests/checkoutservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
         - name: server
           image: checkoutservice

kubernetes-manifests/currencyservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       containers:
       - name: server

kubernetes-manifests/emailservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       containers:
       - name: server

kubernetes-manifests/frontend.yaml

@@ -33,7 +33,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
         - name: server
           image: frontend

kubernetes-manifests/loadgenerator.yaml

@@ -33,7 +33,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       restartPolicy: Always
       containers:
@@ -59,20 +58,6 @@ kind: Service
 metadata:
   name: loadgenerator
   namespace: demo-env
-spec:
-  type: ClusterIP
-  selector:
-    app: loadgenerator
-  ports:
-  - name: http
-    port: 80
-    targetPort: 8089
----
-apiVersion: v1
-kind: Service
-metadata:
-  name: loadgenerator-external
-  namespace: demo-env
   annotations:
     service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0
     service.beta.kubernetes.io/aws-load-balancer-healthcheck-interval: "5"
@@ -85,5 +70,5 @@ spec:
     app: loadgenerator
   ports:
   - name: http
-    port: 80
+    port: 8089
     targetPort: 8089

kubernetes-manifests/namespace.yaml

@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: demo-env

kubernetes-manifests/paymentservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       containers:
       - name: server

kubernetes-manifests/productcatalogservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       containers:
       - name: server

kubernetes-manifests/recommendationservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       terminationGracePeriodSeconds: 5
       containers:
       - name: server

kubernetes-manifests/redis.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
       - name: redis
         image: redis:alpine

kubernetes-manifests/shippingservice.yaml

@@ -31,7 +31,6 @@ spec:
         operator: Equal
         value: demo-env
       nodeSelector:
-        dedicated: demo-env
       containers:
       - name: server
         image: shippingservice