# Astro Production Dockerfile
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the project (public folder auto-copied to dist/)
RUN npm run build

# Production Stage
FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies only
RUN npm ci --production

# Copy ONLY the dist folder (contains build + public assets)
COPY --from=builder /app/dist ./dist

# Expose port
EXPOSE ${PORT:-80}

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:${PORT:-80}', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the server
CMD ["sh", "-c", "npx astro preview --host 0.0.0.0 --port ${PORT:-80}"]