docs/hndeploy: Add note about CI container image

Author: tdgroot

docs/hypernode-deploy/pipelines/github-actions.md

@@ -76,6 +76,17 @@ jobs:
         retention-days: 7
 ```
 
+````{note}
+Don't forget to set the specifications of the image to what your project needs. The same goes for the deploy steps.
+For example, if your project needs PHP 7.4 and Node.js 16, set the image to:
+```yaml
+jobs:
+  build:
+    container: quay.io/hypernode/deploy:3-php7.4-node16
+    ...
+```
+````
+
 ## Deploy to production
 
 Create a file called `.github/workflows/deploy_production.yml` with the following contents.

docs/hypernode-deploy/pipelines/gitlab-ci.md

@@ -68,12 +68,13 @@ build:
       - build/**
 ```
 
-Don't forget to set the specifications of the image to what your project needs,
-so if for example your project needs PHP 7.4 and Node.js 16, set the image to:
-
+````{note}
+Don't forget to set the specifications of the image to what your project needs.
+For example, if your project needs PHP 7.4 and Node.js 16, set the image to:
 ```yaml
 image: quay.io/hypernode/deploy:3-php7.4-node16
 ```
+````
 
 ## Deploy to production