feat: add Docker configuration

Dockerfile

@@ -0,0 +1,28 @@
+FROM python:3.14-slim
+
+# Install FFmpeg
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ffmpeg && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY app/ ./app/
+
+# Create data directory
+RUN mkdir -p /data
+
+ENV DATA_PATH=/data
+ENV FFMPEG_TIMEOUT=3600
+ENV HOST=0.0.0.0
+ENV PORT=8000
+
+EXPOSE 8000
+
+CMD ["sh", "-c", "uvicorn app.main:app --host $HOST --port $PORT"]