Move doc build steps to configuration file

.github/workflows/docs.yml

@@ -2,38 +2,12 @@ name: Docs
 
 on:
   push:
-    branches:
-      - "feature/cd-docs"
     tags:
       - '**'
 
   workflow_dispatch: ~
 
 jobs:
   publish:
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout atlas-docs
-        uses: actions/checkout@v4
-        with:
-          repository: ecmwf/atlas-docs
-
-      - name: checkout atlas source
-        uses: actions/checkout@v4
-        with:
-          path: atlas-source
-          ref: master
-
-      - name: install doxygen and latex
-        run: sudo apt install doxygen texlive-full
-
-      - name: build docs
-        run: make PUBLIC=1 WITH_ECKIT=1 WITH_DOXYGEN=1 ATLAS_SOURCE_DIR=atlas-source clean html
-
-      - name: publish
-        uses: ecmwf-actions/reusable-workflows/ecmwf-sites-upload@v2
-        with:
-          token: ${{ secrets.ECMWF_SITES_TOKEN }}
-          path: build/html
-          space: docs
-          name: atlas
+    uses: ecmwf-actions/reusable-workflows/.github/workflows/cd-docs.yml@v2
+    secrets: inherit

doc/doc-config.yml

@@ -0,0 +1,14 @@
+# note: each step is executed in own process
+build-steps:
+  - git clone --depth 1 https://github.com/ecmwf/atlas-docs.git $RUNNER_TEMP/atlas-docs
+  - sudo apt install -y -q doxygen texlive-full
+  - | 
+    cd $RUNNER_TEMP/atlas-docs
+    make PUBLIC=1 WITH_ECKIT=1 WITH_DOXYGEN=1 ATLAS_SOURCE_DIR=$GITHUB_WORKSPACE clean html
+    echo "DOC_BUILD_PATH=$RUNNER_TEMP/atlas-docs/build/html" >> "$GITHUB_ENV"
+
+hosts:
+  ecmwf-sites:
+    space: docs
+    name: atlas
+