docker network create -d bridge snet1
docker network ls
docker run -itd --name busybox1 --network snet1 busybox
docker run -itd --name busybox2 --network snet1 busybox
docker exec busybox1 ping busybox2
connect from a container to a service on the host
在容器内使用 host.docker.internal 这个域名即可访问主机网络
python -m http.server 8000
docker run --rm -it alpine sh
# apk add curl
# curl http://host.docker.internal:8000
# exit
