Debug pipeline

.gitea/workflows/build.yml

@@ -61,10 +61,19 @@ jobs:
           fi
           echo "version=${next}" >> "$GITHUB_OUTPUT"
 
-      - name: Debug DNS
+      - name: Confirm auth headers
+        env:
+          REG_USER: ${{ secrets.REGISTRY_USERNAME }}
+          REG_PASS: ${{ secrets.REGISTRY_PASSWORD }}
         run: |
-          getent hosts registry.c5ai.ch
-          curl -v https://registry.c5ai.ch/v2/ 2>&1 | grep -E "Connected to|HTTP/|server"
+          set -x
+          # Show what docker config docker is actually reading
+          echo "DOCKER_CONFIG=$DOCKER_CONFIG"
+          ls -la ${DOCKER_CONFIG:-$HOME/.docker}/
+          cat ${DOCKER_CONFIG:-$HOME/.docker}/config.json
+          
+          # Use docker --debug to see actual HTTP requests
+          docker --log-level=debug push registry.c5ai.ch/pieced/pieced-portal:0.1.5 2>&1 | grep -iE "auth|401|header" | head -30
 
       - name: Build and push image
         # Combine login + build + push in a single run block. act_runner can