feat: DNS

Signed-off-by: Rémi Verchère <remi@verchere.fr>

content/posts/2021/2021-09-23-dns-01-challenge-wildcard-cert-kubernetes.md

@@ -113,7 +113,7 @@ Be careful of the serviceAccountName which has to be the same as the one created
 
 So now we can see, using our preferred tool, the deployments and all the cert-manager configs and custom resources:
 
-![cert-manager deployments](/2021/09/2021-09-23-cert-manager.png "this is a test")
+![cert-manager deployments:center](/2021/09/2021-09-23-cert-manager.png "this is a test")
 
 ![cert-manager CRDs](/2021/09/2021-09-23-cert-manager-crd.png)