Create Dockerfile

Dockerfile

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+FROM node:20-alpine
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN apk add --no-cache git && \
+npm cache clean --force && \
+npm install -g npm@10.8.2 && \
+npm install --omit=dev
+
+COPY . .
+RUN mkdir -p ./session ./downloads ./auth_info_baileys && \
+    chmod -R 777 ./session ./downloads ./auth_info_baileys
+
+CMD ["node", "index.js"]