# 1. Build Stage
FROM node:20-slim AS builder
WORKDIR /app

# Environment variables for build time
# ENV NODE_ENV=production <- REMOVED: This causes npm ci to skip devDependencies (tsc, vite)
# These must match the Nginx proxy paths
ENV VITE_API_TARGET=/api
ENV NEXT_PUBLIC_BACKEND_URL=/api/v1

COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci

COPY frontend/ .
RUN npm run build

# 2. Runtime Stage
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
COPY docker/nginx.prod.conf /etc/nginx/conf.d/default.conf

EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]