Add simple Dockerfile

Dockerfile

@@ -0,0 +1,13 @@
+FROM node:16.15.0-alpine3.15 as build
+
+WORKDIR /app
+
+COPY ./package.json /app/package.json
+COPY ./yarn.lock /app/yarn.lock
+
+RUN yarn install
+COPY . .
+RUN yarn export
+
+FROM nginx:1.21.6
+COPY --from=build /app/out /usr/share/nginx/html