# syntax=docker/dockerfile:1.7

# ---- deps stage: install with cache-friendly pnpm fetch ----
FROM node:22-alpine AS deps
WORKDIR /app
RUN corepack enable && corepack prepare pnpm@latest-9 --activate
COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    pnpm fetch

# ---- build stage: vite build produces dist/ ----
FROM deps AS build
COPY . .
RUN --mount=type=cache,id=pnpm-store,target=/root/.local/share/pnpm/store \
    pnpm install --frozen-lockfile --offline
RUN pnpm build

# ---- runtime: nginx serving the static bundle ----
FROM nginx:1.27-alpine AS runtime
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=build /app/dist /usr/share/nginx/html
EXPOSE 80
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
  CMD wget -qO- http://localhost/ || exit 1
# nginx default CMD is correct; don't override.