fix(ci): configure docker to use HTTP for internal registry

Add insecure-registries configuration to allow HTTP connections
to gitea.gitea.svc.cluster.local instead of HTTPS.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitea/workflows/build.yaml

@@ -57,10 +57,16 @@ jobs:
 
           echo "IMAGE_LATEST=${IMAGE_BASE}:latest" >> $GITHUB_OUTPUT
 
+      - name: Configure Docker for insecure registry
+        shell: sh
+        run: |
+          mkdir -p /etc/docker
+          echo '{"insecure-registries": ["gitea.gitea.svc.cluster.local"]}' > /etc/docker/daemon.json
+
       - name: Login to registry
         shell: sh
         run: |
-          echo "${{ secrets.PERSONAL_TOKEN }}" | docker login http://gitea.gitea.svc.cluster.local -u "${{ gitea.actor }}" --password-stdin
+          echo "${{ secrets.PERSONAL_TOKEN }}" | docker login gitea.gitea.svc.cluster.local -u "${{ gitea.actor }}" --password-stdin
 
       - name: Build and push API image
         shell: sh
@@ -127,10 +133,16 @@ jobs:
 
           echo "IMAGE_LATEST=${IMAGE_BASE}:frontend-latest" >> $GITHUB_OUTPUT
 
+      - name: Configure Docker for insecure registry
+        shell: sh
+        run: |
+          mkdir -p /etc/docker
+          echo '{"insecure-registries": ["gitea.gitea.svc.cluster.local"]}' > /etc/docker/daemon.json
+
       - name: Login to registry
         shell: sh
         run: |
-          echo "${{ secrets.PERSONAL_TOKEN }}" | docker login http://gitea.gitea.svc.cluster.local -u "${{ gitea.actor }}" --password-stdin
+          echo "${{ secrets.PERSONAL_TOKEN }}" | docker login gitea.gitea.svc.cluster.local -u "${{ gitea.actor }}" --password-stdin
 
       - name: Build and push frontend image
         shell: sh