feat: add Dockerfile and docker-compose for server deployment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,8 @@
+FROM python:3.12-slim
+RUN apt-get update && apt-get install -y ffmpeg && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY core/ core/
+COPY server/ server/
+RUN pip install --no-cache-dir fastapi uvicorn
+EXPOSE 8000
+CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "8000"]

docker-compose.yml

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+services:
+  8cut:
+    build: .
+    ports:
+      - "8000:8000"
+    volumes:
+      - /path/to/videos:/videos:ro
+      - /path/to/exports:/exports
+      - 8cut-data:/data
+    environment:
+      MEDIA_DIRS: /videos
+      EXPORT_DIR: /exports
+      DB_PATH: /data/8cut.db
+      CACHE_DIR: /data/cache
+
+volumes:
+  8cut-data: