update image ref

Signed-off-by: GitHub <[email protected]>

README.md

@@ -61,7 +61,7 @@ docker run -it --rm \
   --publish 4567:4567 \
   --volume $(pwd)/config:/app/config \
   --volume $(pwd)/source:/app/source \
-  ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:latest/usr/local/bin/td-preview
+  ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:v4.0.0 /usr/local/bin/td-preview
 ```
 
 ## Updating
@@ -73,13 +73,13 @@ However if you need to update manually, you can do the following:
 1. Build the image
 
     ```bash
-    docker build --file Dockerfile --tag ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:latest .
+    docker build --file Dockerfile --tag ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:local .
     ```
 
 1. Extract `Gemfile.lock`
 
     ```bash
-    docker run -it --rm ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:latest
+    docker run -it --rm ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:local
 
     cat /opt/publishing/Gemfile.lock
     ```

examples/github-actions/build-test.yml

@@ -13,7 +13,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/ministryofjustice/tech-docs-github-pages-publisher@sha256:xxxxx # vx.y.z
+      image: ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:v4.0.0
     permissions:
       contents: read
     steps:

examples/github-actions/publish.yml

@@ -17,7 +17,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/ministryofjustice/tech-docs-github-pages-publisher@sha256:xxxxx # vx.y.z
+      image: ghcr.io/ministryofjustice/tech-docs-github-pages-publisher:v4.0.0
     permissions:
       contents: read
     steps: