Update Dockerfile

Dockerfile

@@ -7,10 +7,10 @@ WORKDIR /usr/src/app
 # 安装
 RUN npm install -g pnpm
 RUN npm install -g node-gyp
-RUN apt-get update && apt-get upgrade -y && apt-get install -y build-essential
-RUN apt-get update \
-    && apt-get upgrade -y \
-    && apt-get install -y build-essential python-is-python3
+RUN apt-get update && apt-get upgrade -y && apt-get install -y build-essential python-is-python3
+
+# 安装 opencv
+RUN apt-get install -y libopencv-dev
 
 # 复制package.json和package-lock.json到工作目录
 COPY package*.json ./
@@ -19,7 +19,6 @@ COPY package*.json ./
 RUN pnpm install
 RUN pnpm install opencv4nodejs
 
-
 # 构建
 ENV PATH="${PATH}:/usr/src/app/node_modules/.bin"
 RUN cd /usr/src/app/node_modules/opencv4nodejs && node-gyp configure && node-gyp build