Update Dockerfile

Dockerfile

@@ -1,4 +1,28 @@
-FROM ghcr.io/imputnet/cobalt:11
-ENV API_URL=https://AISimplyExplained-test.hf.space/
+# Stage 1: grab cobalt's built app
+FROM ghcr.io/imputnet/cobalt:11 AS cobalt
+
+# Stage 2: Debian base (required for Cloudflare WARP)
+FROM debian:bookworm-slim
+
+# Node.js 20 + Cloudflare WARP
+RUN apt-get update && apt-get install -y --no-install-recommends curl gpg ca-certificates && \
+    curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y --no-install-recommends nodejs && \
+    curl -fsSL https://pkg.cloudflareclient.com/pubkey.gpg | \
+      gpg --dearmor -o /usr/share/keyrings/cloudflare-warp-archive-keyring.gpg && \
+    echo "deb [signed-by=/usr/share/keyrings/cloudflare-warp-archive-keyring.gpg] \
+      https://pkg.cloudflareclient.com/ bookworm main" | \
+      tee /etc/apt/sources.list.d/cloudflare-client.list && \
+    apt-get update && apt-get install -y --no-install-recommends cloudflare-warp && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy cobalt app from official image
+COPY --from=cobalt /app /app
+WORKDIR /app
+
+COPY start.sh /start.sh
+RUN chmod +x /start.sh
+
 ENV API_PORT=7860
 EXPOSE 7860
+CMD ["/start.sh"]