# =====================================================================
# Stage 1: Build the Astro static site
# =====================================================================
FROM node:22-alpine AS builder

WORKDIR /app

# Install deps with cache layer
COPY package*.json ./
RUN npm ci --no-audit --no-fund

# Build
COPY . .
RUN npm run build

# =====================================================================
# Stage 2: Serve with nginx
# =====================================================================
FROM nginx:1.27-alpine

# Astro outputs to ./dist by default
COPY --from=builder /app/dist /usr/share/nginx/html

# nginx config: SPA-friendly, gzip, cache headers for static assets
COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 80

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