chore: add Dockerfile

Signed-off-by: Ryan Wang <i@ryanc.cc>

Dockerfile

@@ -0,0 +1,19 @@
+# build stage
+FROM node:lts-alpine as build-stage
+ENV PNPM_VERSION 7.5.0
+RUN apk --no-cache add curl
+RUN curl -sL https://unpkg.com/@pnpm/self-installer | node
+
+WORKDIR /app
+COPY . .
+RUN pnpm install
+RUN pnpm build:packages
+RUN pnpm build
+RUN pnpm store prune
+RUN rm -rf ~/.pnpm-store
+
+# production stage
+FROM nginx:stable-alpine as production-stage
+COPY --from=build-stage /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]