Update Dockerfile

Dockerfile

@@ -1,17 +1,19 @@
 FROM python:3.10-slim
 
-# 1. Install system deps
+# 1. Install system deps (added build essentials)
 RUN apt-get update && apt-get install -y \
     ffmpeg \
     libsm6 \
     libxext6 \
+    build-essential \
+    python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# 2. Install Python deps
+# 2. Install Python deps (added wheel and prefer-binary)
 WORKDIR /app
 COPY requirements.txt .
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --upgrade pip wheel && \
+    pip install --no-cache-dir --prefer-binary -r requirements.txt
 
 # 3. Copy app
 COPY . .