Created dockerfile

dockerfile

@@ -0,0 +1,20 @@
+FROM node:lts-slim as build
+
+WORKDIR /app
+
+COPY package*.json ./
+RUN rm -rf node_modules
+RUN rm -rf build
+COPY . .
+RUN npm install
+RUN npm run build
+
+FROM node:lts-slim as run
+
+WORKDIR /app
+COPY --from=build /app/package.json ./package.json
+COPY --from=build /app/build ./build
+RUN npm install --production
+
+EXPOSE 3000
+ENTRYPOINT [ "npm", "run", "start" ]