# ---- Stage 1: deps (only invalidated when lockfile changes) ----
FROM node:22-alpine AS deps

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

WORKDIR /app

COPY package.json pnpm-lock.yaml ./

RUN pnpm install --frozen-lockfile


# ---- Stage 2: build (invalidated on any source change) ----
FROM node:22-alpine AS builder

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

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules

COPY . .

RUN pnpm run build


# ---- Stage 3: serve ----
FROM nginx:alpine AS runner

COPY --from=builder /app/dist /usr/share/nginx/html
COPY nginx.conf /etc/nginx/conf.d/default.conf

EXPOSE 80
