# Stage 1: build React app
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci --silent
COPY . .
RUN npm run build

# Stage 2: serve with nginx
FROM nginx:alpine AS runner
COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]
