diff --git a/.woodpecker.yaml b/.woodpecker.yaml
index d1d955b..76c1c0e 100644
--- a/.woodpecker.yaml
+++ b/.woodpecker.yaml
@@ -11,6 +11,14 @@ steps:
       - DEBIAN_FRONTEND=noninteractive apt install -qq -y ./tidy-5.8.0-Linux-64bit.deb
       - tidy -q -e static/index.html
 
+  - name: disable SEO indexing (on preprod only)
+    when:
+      event: [push, pull_request]
+      branch: preprod
+    image: debian:12 # Same as previous step to not have to download 2 images, but it could be any linux
+    commands:
+      - '[ -f static/robots.txt ] && echo "Disallow: /*"  >> static/robots.txt'
+
   - name: upload (preprod)
     when:
       event: [push, pull_request]