# syntax=docker/dockerfile:1 # ─── Stage 1: build static site (Astro SSG) ──────────────────────────────── FROM node:22-alpine AS build WORKDIR /app SHELL ["/bin/sh", "-o", "pipefail", "-c"] COPY package.json package-lock.json ./ RUN npm ci COPY . . RUN npm run build # ─── Stage 2: nginx runtime ───────────────────────────────────────────────── FROM nginx:1.29-alpine RUN rm -rf /usr/share/nginx/html/* COPY --from=build /app/dist /usr/share/nginx/html COPY nginx.conf /etc/nginx/conf.d/default.conf EXPOSE 80 HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \ CMD wget -q --spider http://127.0.0.1/ || exit 1