FROM node:20-alpine AS base
WORKDIR /app

FROM base AS deps
RUN apk add --no-cache libc6-compat
COPY package.json package-lock.json ./
RUN npm ci

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

FROM base AS runner
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nodejs -u 1001
WORKDIR /app

COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/node_modules ./node_modules

USER nodejs
EXPOSE 4321

CMD ["npx", "astro", "preview", "--host", "0.0.0.0", "--port", "4321"]