Update Dockerfile

Dockerfile

@@ -1,15 +1,19 @@
 FROM python:3.11-slim
 
-
-
-
-
 WORKDIR /app
 
-# Install all required system dependencies including gcc/g++
+# Install all required system dependencies for PyAV and faster-whisper
 RUN apt-get update && apt-get install -y \
     ffmpeg \
     gcc \
+    g++ \
+    pkg-config \
+    libavformat-dev \
+    libavcodec-dev \
+    libavdevice-dev \
+    libavutil-dev \
+    libavfilter-dev \
+    libswscale-dev \
     libswresample-dev \
     && rm -rf /var/lib/apt/lists/*