fix Dockerfile, update readme

.container/Dockerfile

@@ -15,13 +15,14 @@ WORKDIR /app
 # 安装系统依赖（合并为一个RUN命令减少层数）
 RUN apt-get update && apt-get install -y --no-install-recommends \
     curl git ffmpeg libsm6 libxext6 xvfb xauth x11-utils \
-    gcc python3-dev \
+    build-essential python3-dev \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 # 复制项目文件
 COPY owl/ ./owl/
 COPY licenses/ ./licenses/
 COPY assets/ ./assets/
+COPY examples/ ./examples/
 COPY README.md .
 COPY README_zh.md .
 COPY pyproject.toml .

.container/docker-compose.yml

@@ -1,9 +1,14 @@
 services:
   owl:
+    # Option 1: Use pre-built image from Docker Hub
     image: mugglejinx/owl:latest
-    build:
-      context: ..
-      dockerfile: .container/Dockerfile
+    
+    # Option 2: Build image locally
+    # Uncomment the following lines and comment out the 'image' line above to build locally
+    # build:
+    #   context: ..
+    #   dockerfile: .container/Dockerfile
+    
     volumes:
       # 挂载.env文件，方便配置API密钥
       - ../owl/.env:/app/owl/.env