fix: make Monica image build find Dockerfile

.gitea/workflows/docker-build.yml

@@ -54,10 +54,25 @@ jobs:
       - name: Build and push Docker image
         shell: sh
         run: |
+          echo "Workspace: $PWD"
+          echo "Top-level files:"
+          ls -la
+
+          DOCKERFILE="$(find "$PWD" -path "*/scripts/docker/Dockerfile" -print -quit)"
+          if [ -z "$DOCKERFILE" ]; then
+            echo "Could not find scripts/docker/Dockerfile in workspace."
+            find "$PWD" -maxdepth 3 -type f | sort | head -200
+            exit 1
+          fi
+
+          BUILD_CONTEXT="$(dirname "$(dirname "$(dirname "$DOCKERFILE")")")"
+          echo "Dockerfile: $DOCKERFILE"
+          echo "Build context: $BUILD_CONTEXT"
+
           docker build \
-            -f scripts/docker/Dockerfile \
+            -f "$DOCKERFILE" \
             -t ${{ env.REGISTRY_IMAGE }}:latest \
             -t ${{ env.REGISTRY_IMAGE }}:${{ github.sha }} \
-            .
+            "$BUILD_CONTEXT"
           docker push ${{ env.REGISTRY_IMAGE }}:latest
           docker push ${{ env.REGISTRY_IMAGE }}:${{ github.sha }}