# --- deps: устанавливаем только React-зависимости ---
FROM node:20-alpine AS deps
WORKDIR /app

COPY package.json package-lock.json* ./
# npm ci требует lock-файл; если его нет — fallback на npm install.
RUN if [ -f package-lock.json ]; then \
        npm ci --no-audit --no-fund; \
    else \
        npm install --no-audit --no-fund; \
    fi

# --- build: Vite-сборка поверх deps ---
FROM deps AS build
WORKDIR /app
COPY . .
RUN npm run build

# --- runtime: nginx + артефакты Vite ---
FROM nginx:1.27-alpine

# Конфигурация nginx.
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Собранный фронтенд.
COPY --from=build /app/dist /usr/share/nginx/html

# В нашем nginx.conf прописан listen 5173 — порт публикует compose.
EXPOSE 5173

HEALTHCHECK --interval=15s --timeout=5s --retries=3 \
    CMD wget -q --spider http://localhost:5173/ || exit 1