# =============================================================
# 积分商城 管理后台前端（Vue 2 SPA）
# 纯 Nginx 运行时镜像，不含 Node 构建阶段
# 静态文件由宿主机 bind-mount 进来（${SINGLE_ADMIN_WEB_DIR}:/usr/share/nginx/html）
# 宿主机目录示例：/www/wwwroot/leilei-jfadmin.czchunfang.com/
# 更新方式：rsync 新 dist 到宿主机目录 → 无需重建镜像
# =============================================================

FROM nginx:1.25-alpine

ENV TZ=Asia/Shanghai

# 切换阿里云 Alpine 镜像源
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
    && apk add --no-cache tzdata \
    && cp /usr/share/zoneinfo/$TZ /etc/localtime \
    && echo $TZ > /etc/timezone \
    && rm -f /etc/apk/cache/*.apk

# Nginx 反代配置
# /api/ 和 /adminapi/ 代理到 single-admin-api 容器
RUN cat > /etc/nginx/conf.d/default.conf <<'NGX'
server {
  listen 80;
  server_name _;
  root /usr/share/nginx/html;
  index index.html;
  client_max_body_size 50m;
  add_header X-Frame-Options SAMEORIGIN always;

  location ~* \.(?:js|css|png|jpg|jpeg|gif|svg|woff2?|ttf|map)$ {
    expires 30d;
    add_header Cache-Control "public, max-age=2592000, immutable";
    try_files $uri =404;
  }

  location /api/ {
    proxy_pass         http://single-admin-api:30032/api/;
    proxy_http_version 1.1;
    proxy_set_header   Host              $host;
    proxy_set_header   X-Real-IP         $remote_addr;
    proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
    proxy_set_header   X-Forwarded-Proto $scheme;
    proxy_read_timeout 120s;
    client_max_body_size 50m;
  }

  location /adminapi/ {
    proxy_pass         http://single-admin-api:30032/adminapi/;
    proxy_set_header   Host              $host;
    proxy_set_header   X-Real-IP         $remote_addr;
    proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
  }

  location / {
    try_files $uri $uri/ /index.html;
  }
}
NGX

EXPOSE 80