diff --git a/.woodpecker.yml b/.woodpecker.yml
index 9eb667b..6cb22a2 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,3 +1,14 @@
+variables:
+  - &default
+    image: "git.freifunk-rhein-sieg.net/freifunk-troisdorf/docker-gluon-build:latest"
+    pull: true
+    environment:
+      - input_version=v2022.1.4
+      - GLUON_SITEDIR=../site
+      - FORCE_UNSAFE_CONFIGURE=1
+      - GLUON_TARGET=${TARGET}
+      - GLUON_DEPRECATED=1
+
 workspace:
   base: /build
 
@@ -15,44 +26,27 @@ pipeline:
       - git checkout multidomain
 
   make_update:
-    image: ${IMAGE}
-    pull: true
+    <<: *default
     commands:
       - pwd
       - cd gluon
       - make update
-    environment:
-      - input_version=v2022.1.4
-      - GLUON_SITEDIR=../site
-      - FORCE_UNSAFE_CONFIGURE=1
-      - GLUON_TARGET=${TARGET}
-      - GLUON_DEPRECATED=1
 
   patch-iw-to-iw-full:
-    image: ${IMAGE}
-    pull: true
+    <<: *default
     commands:
       - cd gluon/openwrt/package
       - grep -rl +iw kernel/mac80211/Makefile | xargs sed -i s/+iw/+iw-full/g
       - grep -r iw-full *
 
   build-${TARGET}:
-    image: ${IMAGE}
-    pull: true
+    <<: *default
     commands:
       - cd gluon
       - make -j6 GLUON_BRANCH=${BRANCH} GLUON_RELEASE=$input_version-${BRANCH} GLUON_OUTPUTDIR=output/${BRANCH}
-    environment:
-      - input_version=v2022.1.4
-      - GLUON_SITEDIR=../site
-      - FORCE_UNSAFE_CONFIGURE=1
-      - GLUON_TARGET=${TARGET}
-      - GLUON_DEPRECATED=1
 
 matrix:
   TARGET:
     - ath79-generic
   BRANCH:
     - stable
-  IMAGE:
-    - git.freifunk-rhein-sieg.net/freifunk-troisdorf/docker-gluon-build:latest