ci(azure-pipelines): use imageRepository variable as repository for push

azure-pipelines.yaml

@@ -17,10 +17,10 @@ jobs:
         command: login
         containerRegistry: devFra
     - task: Docker@2
-      name: dockerBuildAndPush
-      displayName: Backend image build test
+      name: dockerBuild
+      displayName: Backend image build
       inputs:
-        command: buildAndPush
+        command: build
         Dockerfile: docker/haskell/Dockerfile
         buildContext: .
         tags: |
@@ -29,6 +29,16 @@ jobs:
           --build-arg HTTPS_PROXY=http://proxy.frankfurt-airport.de:8080
           --build-arg HTTP_PROXY=http://proxy.frankfurt-airport.de:8080
           --build-arg NO_PROXY='localhost,127.0.0.1,*.docker.internal,*.azmk8s.io,devfra.azurecr.io,devfra.westeurope.data.azurecr.io'
+    - task: Docker@2
+      name: dockerPush
+      displayName: Backend image push
+      inputs:
+        command: push
+        repository: $(imageRepository)
+        Dockerfile: docker/haskell/Dockerfile
+        buildContext: .
+        tags: |
+          $(Build.BuildNumber)
     - task: Docker@2
       name: dockerLogoutDevFra
       displayName: Docker Logout from devfra

docker/haskell/Dockerfile

@@ -1,7 +1,5 @@
 FROM devfra.azurecr.io/de.fraport.build/haskell:8.10.4
 
-USER root
-
 # ENV LANG=de_DE.UTF-8
 
 # compile-time dependencies