FROM node:20-alpine AS build

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .

RUN npm run build

FROM node:20-alpine AS production

ENV NODE_ENV=production
WORKDIR /app

# Copy built app and minimal runtime files
COPY --from=build /app/dist /app/dist
COPY --from=build /app/package*.json /app/

RUN npm pkg delete devDependencies || true

EXPOSE 3000

# Run Astro server entry (node adapter standalone)
CMD ["node", "dist/server/entry.mjs"]

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget -qO- http://localhost:3000/ || exit 1