Update Dockerfile

Dockerfile

@@ -2,23 +2,3 @@ FROM python:3.12-slim
   RUN pip install docker prometheus-client                                                                   
   COPY exporter.py .
   CMD ["python", "exporter.py"]
-                                                                                                             
-  .gitea/workflows/build.yml:                                                                                
-  name: Build                                                                                                
-  on:             
-    push:                                                                                                    
-      branches: [main]
-  jobs:                                                                                                      
-    build:        
-      runs-on: ubuntu-latest
-      steps:                
-        - uses: actions/checkout@v4
-        - uses: docker/login-action@v3
-          with:                                                                                              
-            registry: 192.168.31.100:3847                                                                    
-            username: ${{ gitea.actor }}                                                                     
-            password: ${{ secrets.REGISTRY_TOKEN }}                                                             
-        - uses: docker/build-push-action@v5                                                                  
-          with:                                                                                              
-            push: true                                                                                       
-            tags: 192.168.31.100:3847/${{ gitea.repository }}:latest