[Chore] - Dockerfile 생성

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:14 as build-stage
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY —from=build-stage /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]