# ============================================
# Build stage with incremental cache support
# Node.js前端构建
# ============================================
FROM node:18-alpine AS builder

ARG BUILD_NUMBER=local
ARG GIT_COMMIT=unknown

WORKDIR /build

# Copy package files
COPY shop-recycle-web/package.json .
COPY shop-recycle-web/package-lock.json ./

# Install dependencies (cached layer - only changes if package.json changes)
RUN npm ci --only=production && \
    npm ci

# Copy source code
COPY shop-recycle-web/src ./src
COPY shop-recycle-web/public ./public
COPY shop-recycle-web/vite.config.js ./
COPY shop-recycle-web/index.html ./

# Build application
RUN npm run build

# ============================================
# Runtime stage - ultra-minimal image
# 使用Nginx Alpine基础镜像提供静态资源服务
# ============================================
FROM nginx:1.25-alpine

LABEL maintainer="shop-recycle"
LABEL service="shop-recycle-web"
LABEL build.number=${BUILD_NUMBER}
LABEL git.commit=${GIT_COMMIT}

ENV TZ=Asia/Shanghai

# Remove default nginx config
RUN rm -rf /etc/nginx/conf.d/default.conf

# Copy nginx configuration
COPY shop-recycle-web/nginx.conf /etc/nginx/conf.d/default.conf

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

EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost/health || exit 0

ENTRYPOINT ["nginx", "-g", "daemon off;"]