Update build step for new Docker images

README.md

@@ -25,20 +25,20 @@ Assuming the image you want to add is called `new-image`:
 
 1. Add a new build job:
 
-```yml
-new-image:
-  extends: .build_static_image
-```
+   ```yml
+   new-image:
+     extends: .build_static_image
+   ```
 
-**NOTE:** You can use `parallel:matrix` keyword to build images for multiple architectures:
+   **NOTE:** You can use `parallel:matrix` keyword to build images for multiple architectures:
 
-```yml
-new-image:
-  extends: .build_static_image
-  parallel:
-    matrix:
-      - ARCH: [ 'arm64', 'amd64' ]
-```
+   ```yml
+   new-image:
+     extends: .build_static_image
+     parallel:
+       matrix:
+         - ARCH: [ 'arm64', 'amd64' ]
+   ```
 
 1. Add a Dockerfile: `Dockerfile.new-image`.