FROM nginx:1.27-alpine

RUN mkdir -p /usr/share/nginx/html

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
  CMD test -f /usr/share/nginx/html/index.html && wget -qO- http://127.0.0.1/index.html >/dev/null || exit 1