Dockerfile

FROM node:lts-alpine AS build

WORKDIR /app

COPY package.json ./
COPY package-lock.json ./
RUN npm install
COPY . ./
RUN npm run build

FROM nginx:stable-alpine
EXPOSE 5015
RUN sed -i 's/80/5015/g' /etc/nginx/conf.d/default.conf
COPY --from=build /app/build /usr/share/nginx/html
CMD ["nginx", "-g", "daemon off;"]