diff --git a/.drone.yml b/.drone.yml
index e51329f..0c693bb 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,3 +1,9 @@
+global-variables:
+  debian_image: &debian_image debian:7.11-slim
+  environment: &default_environment
+    PRODUCT: product1
+    PROJECT: project1
+
 kind: pipeline
 type: docker
 name: default
@@ -6,10 +12,6 @@ platform:
   arch: amd64
   os: linux
 
-global-variables:
-  PRODUCT: product1
-  PROJECT: project1
-
 steps:
   - name: build
     image: mcr.microsoft.com/dotnet/sdk:6.0