rewrite some questions, add tips

04-pods/README.md

@@ -108,12 +108,14 @@ $ minikube dashboard
 ## Exercises
 
 1. Deploy a `pod` containing nginx. The image name is `nginx`, see: https://hub.docker.com/_/nginx/
-2. Try accessing the pod `simple-service` from outside of k8s, without changing the configuration. Do you manage to do it?
-	* If yes, how did you manage to do it?
-	* If no, what do you think is missing?
+2. Do you think you can access the pod `simple-service` from outside of k8s, *without changing the configuration*?
 
 ## Clean up
 
 ```bash
 $ kubectl delete pod --all
-```
+```
+
+## Answers
+
+2. Nop, the pod is only visible from the inside of the cluster

06-deployment/README.md

@@ -141,12 +141,14 @@ Remember the command `kubectl describe deployment`.
 
 1. Deploy multiple nginx. The image name is `nginx`, see: https://hub.docker.com/_/nginx/
 2. Play with the scaling up/down & the deployment of new versions
-3. Try accessing your `deployment` of nginx from outside of k8s, without changing the configuration. Do you manage to do it?
-	* If yes, how did you manage to do it?
-	* If no, what do you think is missing?
+3. Do you think you can access your `deployment` of nginx from outside of k8s, *without changing the configuration*?
 
 ## Clean up
 
 ```bash
 $ kubectl delete deployment,rs,pod --all
-```
+```
+
+## Answers
+
+3. Nop, same as the pod. A `deployment` only creates pods, it doesndo anything else

07-service/README.md

@@ -179,3 +179,9 @@ With this configuration we have a `deployment` that manages pods. A `service` th
 ```bash
 $ kubectl delete ingress,service,deployment,rs,pod --all
 ```
+
+## Answers
+
+2. You need to add the metadata `nginx.ingress.kubernetes.io/rewrite-target: /` to the ingress
+  * Don't forget to create 2 deployments and 2 services.
+  * You can either change your `/etc/hosts` to add the name resolution for `foo.bar.com`, or use `curl http://YOUR-IP -H "Host: foo.bar.com"`

README.md

@@ -65,7 +65,6 @@ And start minikube without hyperkit
 $ minikube start
 ```
 
-
 ## What this is *not*
 
 This is not a hands on on how to install/manage/deploy a k8s cluster.