fix variable use

.gitea/workflows/docker.yml

@@ -21,21 +21,19 @@ jobs:
       - name: Build Docker Image
         env:
           REGESTRY: eiche:3000
-          IMAGE: ${{ GITHUB_REPOSITORY }}
         run: |
           # Build the image with the commit hash tag
-          docker build -t ${REGISTRY}/${IMAGE}:${GITHUB_RUN_NUMBER} .
+          docker build -t ${REGISTRY}/${{ gitea.repository }}:${GITHUB_RUN_NUMBER} .
 
           # Tag the same image as "latest"
-          docker tag ${REGISTRY}/${IMAGE}:${GITHUB_RUN_NUMBER} ${REGISTRY}/${IMAGE}:latest
+          docker tag ${REGISTRY}/${{ gitea.repository }}:${GITHUB_RUN_NUMBER} ${REGISTRY}/${{ gitea.repository }}:latest
 
       - name: Push Docker Images
         env:
           REGESTRY: eiche:3000
-          IMAGE: ${{ GITHUB_REPOSITORY }}
         run: |
-          docker push ${REGISTRY}/${IMAGE}:${GITHUB_RUN_NUMBER}
+          docker push ${REGISTRY}/${{ gitea.repository }}:${GITHUB_RUN_NUMBER}
-          docker push ${REGISTRY}/${IMAGE}:latest
+          docker push ${REGISTRY}/${{ gitea.repository }}:latest
 
       - name: Log out from registry
         if: always()