Update 'kubectl create deployment' for 1.19

slides/k8s/batch-jobs.md

@@ -176,12 +176,8 @@ class: extra-details
 
   - can't express parallelism or completions of Jobs
 
-  - can't express Pods with multiple containers
-
   - can't express healthchecks, resource limits
 
-  - etc.
-
 - `kubectl create` and `kubectl run` are *helpers* that generate YAML manifests
 
 - If we write these manifests ourselves, we can use all features and options

slides/k8s/kubectl-run.md

@@ -296,7 +296,7 @@ class: extra-details
 
 - When using `kubectl create deployment`, we cannot indicate the command to execute
 
-  (at least, not in Kubernetes 1.18)
+  (at least, not in Kubernetes 1.18; but that changed in Kubernetes 1.19)
 
 - We can:
 
@@ -344,6 +344,19 @@ class: extra-details
 
 ---
 
+class: extra-details
+
+## In Kubernetes 1.19
+
+- Since Kubernetes 1.19, we can specify the command to run
+
+- The command must be passed after two dashes:
+  ```bash
+  kubectl create deployment pingpong --image=alpine -- ping 127.1
+  ```
+
+---
+
 ## Viewing container output
 
 - Let's use the `kubectl logs` command