# --- Stage 1: Build ---
FROM node:22-alpine AS build
WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Install dependencies first (cache layer)
COPY package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

# Copy source and build
COPY . .
RUN pnpm build

# --- Stage 2: Serve ---
FROM nginx:alpine AS runtime

# Custom nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Copy built static files
COPY --from=build /app/dist /usr/share/nginx/html

EXPOSE 80