Fix baseURL when building for staging.data.coop

.drone.yml

@@ -2,7 +2,7 @@ kind: pipeline
 name: default
 
 steps:
-  - name: build
+  - name: build_stable
     image: debian:buster-slim
     commands:
       - apt-get update; apt-get upgrade -y
@@ -10,6 +10,21 @@ steps:
       - wget https://github.com/gohugoio/hugo/releases/download/v0.111.2/hugo_extended_0.111.2_linux-amd64.deb -O hugo.deb
       - dpkg -i hugo.deb
       - hugo --destination _site/
+    when:
+      branch:
+        - main
+
+  - name: build_staging
+    image: debian:buster-slim
+    commands:
+      - apt-get update; apt-get upgrade -y
+      - apt-get install -y wget git
+      - wget https://github.com/gohugoio/hugo/releases/download/v0.111.2/hugo_extended_0.111.2_linux-amd64.deb -O hugo.deb
+      - dpkg -i hugo.deb
+      - hugo --baseURL "https://staging.data.coop" --destination _site/
+    when:
+      branch:
+        - staging
 
   # stable site
   - name: docker_stable