# syntax=docker/dockerfile:1

# ---- Build stage: compile the Vite/SolidJS app to static files ----
FROM node:24-alpine AS build
WORKDIR /app

# pnpm ships with Node via corepack; pin to the version that produced pnpm-lock.yaml.
RUN corepack enable && corepack prepare pnpm@10.33.0 --activate

# Install deps first so this layer is cached unless the manifest/lockfile change.
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

# Build (`tsc && vite build` → /app/dist). devDependencies are needed here.
COPY . .
RUN pnpm build

# ---- Serve stage: static files via `serve` ----
FROM node:24-alpine AS serve
WORKDIR /app

# `serve` (what `npx serve` runs) — installed at build time so the image is self-contained.
RUN npm install -g serve@14

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

EXPOSE 3000
CMD ["serve", "-s", "dist", "-l", "3000"]