Add Dockerfile and HF Space config

Dockerfile

@@ -0,0 +1,46 @@
+# --- Build Stage ---
+FROM rust:1.80-slim as builder
+
+WORKDIR /usr/src/app
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    cmake \
+    g++ \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy source code and config
+COPY . .
+
+# Build for release
+RUN cargo build --release
+
+# --- Run Stage ---
+FROM debian:bookworm-slim
+
+WORKDIR /usr/src/app
+
+# Install runtime dependencies (Mesa/Vulkan for wgpu fallback)
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    libssl3 \
+    libvulkan1 \
+    mesa-vulkan-drivers \
+    libfontconfig1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the binary from builder
+COPY --from=builder /usr/src/app/target/release/rust_auto_score_engine /usr/local/bin/dartvision
+
+# Copy assets
+COPY --from=builder /usr/src/app/static ./static
+COPY --from=builder /usr/src/app/model_weights.bin ./model_weights.bin
+
+# Environment variables for HF Spaces
+ENV PORT=7860
+EXPOSE 7860
+
+# Run the GUI
+CMD ["dartvision", "gui"]

src/server.rs

@@ -29,8 +29,12 @@ struct PredictRequest {
 }
 
 pub async fn start_gui(device: WgpuDevice) {
-    let addr = SocketAddr::from(([127, 0, 0, 1], 8080));
-    println!("🚀 [DartVision-GUI] Starting on http://127.0.0.1:8080",);
+    let port = std::env::var("PORT")
+        .unwrap_or_else(|_| "8080".to_string())
+        .parse::<u16>()
+        .unwrap_or(8080);
+    let addr = SocketAddr::from(([0, 0, 0, 0], port));
+    println!("🚀 [DartVision-GUI] Starting on http://0.0.0.0:{}", port);
 
     let (tx, mut rx) = mpsc::channel::<PredictRequest>(10);