fix invalid servicename

Author: mythz

.github/workflows/release.yml

@@ -40,11 +40,12 @@ jobs:
 
       # This step is for the deployment of the templates only, safe to delete
       - name: Modify deploy.yml
-        env: 
+        env:
           KAMAL_DEPLOY_IP: ${{ secrets.KAMAL_DEPLOY_IP }}
         if: env.KAMAL_DEPLOY_IP != null
         run: |
-          sed -i "s/service: my-app/service: ${{ env.repository_name_lower }}/g" config/deploy.yml
+          SERVICE_NAME=$(echo "${{ env.repository_name_lower }}" | tr '.' '-')
+          sed -i "s/service: my-app/service: $SERVICE_NAME/g" config/deploy.yml
           sed -i "s#image: my-user/myapp#image: ${{ env.image_repository_name }}#g" config/deploy.yml
           sed -i "s/- 192.168.0.1/- ${{ secrets.KAMAL_DEPLOY_IP }}/g" config/deploy.yml
           sed -i "s/host: my-app.example.com/host: ${{ secrets.KAMAL_DEPLOY_HOST }}/g" config/deploy.yml