Fixed docker build

Dockerfile

@@ -10,5 +10,6 @@ FROM debian:bookworm-slim
 RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
 WORKDIR /data
 COPY --from=builder /app/target/release/web-petting /usr/local/bin/web-petting
+COPY static ./static
 EXPOSE 3000
 CMD ["web-petting"]