# 多阶段构建：先在 node 里编译，最终镜像只保留 nginx + dist
FROM node:24 AS build

# 由 magic-docker 传入：--build-arg VERSION=<tag>
ARG VERSION=0.0.0
WORKDIR /app

# 构建上下文就是 context 目录
COPY . .
RUN npm ci
RUN npm pkg set version="$VERSION"

# 有 build-only 脚本就用它（兼容老项目），否则用 build
RUN if npm run 2>/dev/null | grep -q "build-only"; then \
      npm run build-only; \
    else \
      npm run build; \
    fi

# history 路由回退 + 跨域：context 里有 nginx.conf 就用项目的，否则用内置默认配置
RUN set -e; \
    if [ -f nginx.conf ]; then \
      cp nginx.conf /app/nginx.conf; \
      echo "使用项目自带的 nginx.conf"; \
    else \
      printf '%s\n' \
        'server {' \
        '    listen 80;' \
        '    root /usr/share/nginx/html;' \
        '    index index.html;' \
        '' \
        '    add_header Access-Control-Allow-Origin * always;' \
        '    add_header Access-Control-Allow-Methods "GET, POST, OPTIONS, PUT, DELETE" always;' \
        '    add_header Access-Control-Allow-Headers "*, Origin, X-Requested-With, Content-Type, Accept, Authorization, X-Token" always;' \
        '    add_header Access-Control-Allow-Credentials "true" always;' \
        '' \
        '    if ($request_method = "OPTIONS") {' \
        '        return 204;' \
        '    }' \
        '' \
        '    location / {' \
        '        try_files $uri $uri/ /index.html;' \
        '    }' \
        '}' \
        > /app/nginx.conf; \
      echo "使用内置的 nginx.conf"; \
    fi

FROM nginx:alpine
COPY --from=build /app/dist /usr/share/nginx/html
COPY --from=build /app/nginx.conf /etc/nginx/conf.d/default.conf