Update Dockerfile

Dockerfile

@@ -38,6 +38,10 @@ RUN apt-get update && apt-get install -y \
     xfonts-75dpi \
     fonts-liberation \
     fonts-dejavu-core \
+    && curl -fsSL https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64.deb \
+       -o /tmp/cloudflared.deb \
+    && dpkg -i /tmp/cloudflared.deb \
+    && rm /tmp/cloudflared.deb \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*