Use the docs:build command

.github/workflows/ci.yaml

@@ -44,8 +44,12 @@ jobs:
                 run: composer install --prefer-dist --no-progress
 
             -   name: "Build the docs"
-                working-directory: _build
-                run: php build.php -vvv
+                run: >
+                    php _build/vendor/bin/docs-builder build:docs \
+                        --config _build/docs.json \
+                        --fail-on-errors \
+                        --error-output-format github \
+                        --save-errors _build/logs.txt
 
             -   name: Show log file
                 if: ${{ always() }}

_build/composer.json

@@ -14,6 +14,12 @@
         "php": ">=7.4",
         "symfony/console": "^5.4",
         "symfony/process": "^5.4",
-        "symfony-tools/docs-builder": "^0.18"
-    }
+        "symfony-tools/docs-builder": "dev-build-docs-command"
+    },
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/wouterj/docs-builder"
+        }
+    ]
 }

_build/docs.json

@@ -0,0 +1,4 @@
+{
+    "exclude": [".github/", "_build/"],
+    "symfony-version": "4.4"
+}