https://hub.docker.com/r/excalidraw/excalidraw
https://github.com/excalidraw/excalidraw
docker run -d --restart=always --name excalidraw -p 8097:80 -e TZ='Asia/Shanghai' --ulimit nofile=262144:262144 -v /etc/localtime:/etc/localtime:ro excalidraw/excalidraw:latest
http://g.htmltoo.com:8097
http://www.htmltoo.com/
