# Base image from AWS ECR Public (mirror of the Docker Official node image).
# Avoids Docker Hub's anonymous pull rate limits on build servers.
ARG NODE_IMAGE=public.ecr.aws/docker/library/node:22-alpine

# --- Build stage: install deps and build the Astro SSR bundle
FROM ${NODE_IMAGE} AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --ignore-scripts --no-audit --no-fund
COPY . .
RUN npm run build

# --- Deps stage: production-only node_modules for the runtime
FROM ${NODE_IMAGE} AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --omit=dev --ignore-scripts --no-audit --no-fund

# --- Runtime stage: Astro Node standalone server
FROM ${NODE_IMAGE}
WORKDIR /app
ENV NODE_ENV=production \
    HOST=0.0.0.0 \
    PORT=4321
COPY --from=build /app/dist ./dist
COPY --from=deps /app/node_modules ./node_modules
COPY package.json ./
EXPOSE 4321
CMD ["node", "dist/server/entry.mjs"]