# Build stage (spec section 3.3: no privileged credentials in the frontend;
# VITE_API_BASE_URL is the ONLY build arg and contains no secret).
FROM node:22-alpine AS build
WORKDIR /app
ARG VITE_API_BASE_URL=/api/v1
ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
COPY package.json package-lock.json* ./
RUN npm install
COPY . .
RUN npm run build

# Serve stage: nginx proxies /api to the backend over frontend-net.
FROM nginx:1.27-alpine
COPY --from=build /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 80