add dockerfile

Dockerfile

@@ -0,0 +1,22 @@
+# Build
+FROM node:18-alpine AS build
+
+WORKDIR /app
+
+COPY package.json yarn.lock ./
+
+RUN yarn install
+
+COPY . .
+
+RUN yarn build
+
+# Serve
+FROM nginx:stable-alpine AS runtime
+
+COPY --from=build /app /usr/share/nginx/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]
+