optimised images in posts

content/posts/building-a-docker-swarm-with-pis.md

@@ -45,7 +45,7 @@ than a Pi cluster.
 * 4 x PoE hats
 * 1 x 5 port PoE Switch
 
-![Cluster](/img/pi-docker-swarm/cluster.jpg)
+![Cluster](/img/pi-docker-swarm/cluster.webp)
 
 ### **Point of this post**
 Hopefully after following this post you will have setup _Docker

content/posts/securing-ssh.md

@@ -10,7 +10,7 @@ description: "Ever wanted to make your SSH connections more secure. Read this"
 canonicalURL: "https://blog.ahmza.com/Page%28/posts/securing-ssh.md%29"
 
 cover:
-    image: "/img/Secure-SSH/Padlock.png"
+    image: "/img/Secure-SSH/padlock.webp"
     alt: "ssh-alt image" # alt text
     caption: "<text>" # display caption under cover
     relative: false # when using page bundles set this to true