# Multi-stage build for Astro SSR
FROM node:20-alpine AS base
WORKDIR /app

# Install dependencies
FROM base AS deps
RUN apk add --no-cache git
COPY package.json ./
RUN npm install

# Build Astro
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Production image
FROM base AS runner
ENV NODE_ENV=production
ENV HOST=0.0.0.0
ENV PORT=4321

# Copy built files and production dependencies
COPY --from=builder /app/dist ./dist
COPY --from=deps /app/node_modules ./node_modules
COPY package.json ./

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=40s \
  CMD node -e "require('http').get('http://127.0.0.1:4321/', (r) => r.statusCode === 200 ? process.exit(0) : process.exit(1))"

EXPOSE 4321

CMD ["npm", "start"]