Add docker files

Dockerfile

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+FROM node:10
+# Chrome
+RUN apt-get update \
+    && apt-get install -y wget gnupg \
+    && wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' \
+    && apt-get update \
+    && apt-get install -y google-chrome-unstable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf \
+      --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
+
+# npm packages
+WORKDIR /app
+COPY package.json .
+COPY package-lock.json .
+RUN npm install
+
+# App
+WORKDIR /app
+ADD . /app
+RUN npm run build
+ENTRYPOINT npm run start:prod
+EXPOSE 3000

docker-compose.yaml

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+version: '3.4'
+
+services:
+  whatsapp-http-api:
+    build: .
+    image: allburov/whatsapp-http-api
+    restart: always
+    ports:
+      - 3000:3000
+    shm_size: "1gb"
+    environment:
+      - WHATSAPP_DOWNLOADS_FOLDER=/app/files/downloads
+    volumes:
+      - ./tokens:/app/tokens
+      - ./files:/app/files