FROM node:22-alpine AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
# VITE_API_BASE_URL is left empty (see .env.example) - nginx below proxies
# /api and /auth to the backend on the same origin, so relative paths work.
RUN npm run build

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