# ============================================================
# 离线部署 Dockerfile (内网服务器使用)
#   前提：已将 dist/ 目录拷贝到当前路径
#   docker build -f Dockerfile.offline -t weather-data-ui .
# ============================================================
FROM nginx:alpine

LABEL maintainer="weather-data"
LABEL description="Weather Data System - Frontend UI (offline)"

RUN rm -f /etc/nginx/conf.d/default.conf

COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY dist /usr/share/nginx/html

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
  CMD wget -qO- http://localhost/ || exit 1

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