[doc] fix README

07-deployment/README.md

@@ -117,6 +117,7 @@ kubectl scale --replicas=5 -f 07-deployment/01-simple-deployment.yml
 ```
 
 Check the number of pods you have now:
+
 ```sh
 kubectl get pod
 NAME                                 READY   STATUS    RESTARTS   AGE
@@ -132,6 +133,7 @@ You can also edit the manifest in place with `kubectl edit`:
 ```sh
 kubectl edit deployment simple-deployment
 ```
+
 The changes are applied immediately after saving the deployment manifest. `kubectl get pod` to check.
 
 I would recommend to only use `kubectl apply` as it is declarative and local to your computer, so you can commit it afterwards.

08-service/README.md

@@ -10,7 +10,7 @@ If it's not already done install the `minikube` addon `ingress`:
 
 ```sh
 $ minikube addons enable ingress
-✅  ingress was successfully enabled
+🌟  The 'ingress' addon is enabled
 ```
 
 ## First `service`
@@ -151,7 +151,7 @@ Apply the ingress:
 
 ```sh
 $ kubectl apply -f 08-service/04-ingress.yml
-ingress.extensions "simple-ingress" created
+ingress.networking.k8s.io/simple-ingress created
 ```
 
 Get the IP of your minikube cluster:

README.md

@@ -6,6 +6,7 @@
     - [(Fixed) docker: Ingress not exposed on MacOS](#fixed-docker-ingress-not-exposed-on-macos)
     - [(Optional) If you feel adventurous, only for macOS](#optional-if-you-feel-adventurous-only-for-macos)
     - [Completion](#completion)
+    - [Miscellaneous prerequisites](#miscellaneous-prerequisites)
   - [What this course is and what it's not](#what-this-course-is-and-what-its-not)
     - [What this is](#what-this-is)
     - [What it's *not*](#what-its-not)
@@ -139,6 +140,14 @@ if [ $commands[kubectl] ]; then
 fi
 ```
 
+### Miscellaneous prerequisites
+
+If you want to contribute.
+
+```sh
+brew install markdownlint-cli
+```
+
 ## What this course is and what it's not
 
 ### What this is