FROM node:20-alpine AS build
WORKDIR /app
# The lockfile, and `npm ci`: `npm install` against package.json alone
# resolved whatever the caret ranges allowed on the day of the build, so the
# image could ship dependency versions CI never typechecked or tested.
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM nginx:alpine
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=build /app/dist /usr/share/nginx/html
EXPOSE 80