FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/public ./public

EXPOSE 3004
CMD ["npx", "astro", "preview", "--port", "3004", "--host"]