# ── Dev stage ────────────────────────────────────────────────────────
FROM node:20-slim AS dev

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm install

COPY . .

EXPOSE 4321

CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]


# ── Build stage ──────────────────────────────────────────────────────
FROM node:20-slim AS build

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci

COPY . .
RUN npm run build


# ── Prod stage ───────────────────────────────────────────────────────
FROM caddy:2-alpine AS prod

COPY --from=build /app/dist /srv

# Simple Caddyfile for serving the static Astro build
RUN echo ':4321 {\n\
  root * /srv\n\
  encode gzip\n\
  try_files {path} {path}/index.html /index.html\n\
  file_server\n\
  header {\n\
    X-Content-Type-Options nosniff\n\
    X-Frame-Options DENY\n\
    Referrer-Policy strict-origin-when-cross-origin\n\
  }\n\
}' > /etc/caddy/Caddyfile

EXPOSE 4321

CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile"]