# Stage 1 — build
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci --silent
COPY . .
# Use production env if present, otherwise fall back to defaults
RUN [ -f .env.production ] && cp .env.production .env || true
RUN npm run build

# Stage 2 — serve
FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 80