FROM node:16.6.1-alpine AS builder

WORKDIR /tmp
COPY package*.json ./

RUN npm ci --only=prod
COPY . .

ENV NODE_ENV=production
RUN npm run build

FROM nginx:alpine

COPY --from=builder /tmp/build /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf

RUN touch /var/run/nginx.pid
RUN chown -R nginx:nginx /var/run/nginx.pid /usr/share/nginx/html /var/cache/nginx /var/log/nginx /etc/nginx/conf.d
USER nginx

EXPOSE 8080

CMD ["nginx", "-g", "daemon off;"]