# Stage 1: Build the Astro Site
FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies strictly
COPY package*.json ./
RUN npm ci

# Copy source files and build the production static files
COPY . .
RUN npm run build

# Stage 2: Serve with Nginx for lightning fast delivery and low memory footprint
FROM nginx:alpine

# Copy the generated static files from the build stage into Nginx
COPY --from=builder /app/dist /usr/share/nginx/html

# Add custom nginx config if we ever need advanced routing, otherwise default works flawlessly for SSG
EXPOSE 80

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