first action attempt

Author: katrinabrock

.github/workflows/R-CMD-check.yaml

@@ -6,7 +6,7 @@
 # usethis::use_github_action("check-standard") will install it.
 on:
   push:
-    branches: [main, master]
+    branches: [main, master, 'html-validation-infra']
     paths-ignore:
       - 'inst/examples/**'
       - '_pkgdown.yml'
@@ -43,29 +43,23 @@ jobs:
       matrix:
         config:
           # testing R release with latest  pandoc version and their dev version
-          - {os: windows-latest, pandoc: 'latest',  r: 'release'}
-          - {os: macOS-latest,   pandoc: 'latest',  r: 'release'}
           - {os: ubuntu-latest,  pandoc: 'devel',   r: 'release'}
-          # testing older pandoc versions
-          - {os: ubuntu-latest,  pandoc: '3.1.11',   r: 'release'}
-          - {os: ubuntu-latest,  pandoc: '2.19.2',   r: 'release'}
-          - {os: ubuntu-latest,  pandoc: '2.18',     r: 'release'}
-          - {os: ubuntu-latest,  pandoc: '2.17.1.1', r: 'release'}
-          - {os: ubuntu-latest,  pandoc: '2.16.2',   r: 'release'}
-          # testing other R versions
-          - {os: ubuntu-latest,  pandoc: '3.1.11',   r: 'devel', http-user-agent: 'release'}
-          - {os: ubuntu-latest,  pandoc: '3.1.11',   r: 'oldrel-1'}
-          - {os: ubuntu-latest,  pandoc: '3.1.11',   r: 'oldrel-2'}
-          - {os: ubuntu-latest,  pandoc: '3.1.11',   r: 'oldrel-3'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
+      W3C_MARKUP_VALIDATOR_BASEURL: 'http://0.0.0.0:8888'
 
     permissions:
       actions: read
 
     steps:
+      - uses: addnab/docker-run-action@v3
+        with:
+          registry: gcr.io
+          image: validator/validator:latest
+          options: -p 8888:8888 -d
+
       - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-r@v2