Dockerfile changes

.docker/Dockerfile.multiarch

@@ -0,0 +1,30 @@
+FROM node:14-alpine3.11 as builder
+
+WORKDIR /app
+
+COPY package*.json ./
+
+RUN apk --no-cache --virtual build-dependencies add python make g++ \
+    && npm install --production
+
+COPY . .    
+
+RUN mkdir -p ./public ./data \
+    && cd ./client \
+    && npm install --production \
+    && npm run build \
+    && cd .. \
+    && mv ./client/build/* ./public \
+    && rm -rf ./client
+
+FROM node:14-alpine3.11
+
+COPY --from=builder /app /app
+
+WORKDIR /app
+
+EXPOSE 5005
+
+ENV NODE_ENV=production
+
+CMD ["node", "server.js"]