Update Dockerfile

Dockerfile

@@ -1,17 +1,21 @@
-FROM node:latest
+FROM node:20-slim
 
 WORKDIR /app
 
 COPY package*.json ./
 RUN npm install --omit=dev
 
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
   libnss3 libatk-bridge2.0-0 libxcomposite1 libxdamage1 libxrandr2 libgbm1 \
   libasound2 libpangocairo-1.0-0 libgtk-3-0 \
   && rm -rf /var/lib/apt/lists/*
 
 COPY . .
 
+USER node
 RUN npx playwright install --with-deps chromium
+USER root
+
+EXPOSE 7860
 
 CMD ["node", "server.js"]