gitops: add bash highlight

slides/k8s/gitworkflows.md

@@ -86,7 +86,7 @@
 ## Setting up Flux
 
 - Clone the Flux repository:
-  ```
+  ```bash
   git clone https://github.com/fluxcd/flux
   ```
 
@@ -99,7 +99,7 @@
   ```
 
 - Apply all the YAML:
-  ```
+  ```bash
   kubectl apply -f deploy/
   ```
 
@@ -110,7 +110,7 @@
 - When it starts, Flux generates an SSH key
 
 - Display that key:
-  ```
+  ```bash
   kubectl logs deployment/flux | grep identity
   ```
 
@@ -157,14 +157,14 @@
 ## Setting up Gitkube
 
 - Install the CLI:
-  ```
+  ```bash
   sudo curl -L -o /usr/local/bin/gitkube \
        https://github.com/hasura/gitkube/releases/download/v0.2.1/gitkube_linux_amd64
   sudo chmod +x /usr/local/bin/gitkube
   ```
 
 - Install Gitkube on the cluster:
-  ```
+  ```bash
   gitkube install --expose ClusterIP
   ```
 
@@ -196,20 +196,20 @@
 ## Pushing to our remote
 
 - Get the `gitkubed` IP address:
-  ```
+  ```bash
   kubectl -n kube-system get svc gitkubed
   IP=$(kubectl -n kube-system get svc gitkubed -o json | 
   	   jq -r .spec.clusterIP)
   ```
 
 - Get ourselves a sample repository with resource YAML files:
-  ```
+  ```bash
   git clone git://github.com/jpetazzo/kubercoins
   cd kubercoins
   ```
 
 - Add the remote and push to it:
-  ```
+  ```bash
   git remote add k8s ssh://default-example@$IP/~/git/default-example
   git push k8s master
   ```