Contents
Docker socket
Communicating between containers is possible by talking to the docker server via the socket on the host
echo -e "GET /info HTTP/1.0\r\n" | nc -U /var/run/docker.sock
HTTP/1.0 200 OK
Content-Type: application/json
Server: Docker/1.9.1 (linux)
Date: Thu, 17 Mar 2016 15:54:57 GMT
Content-Length: 1444
{
"ID":"VUTL:QKSZ:5RYC:W33H:4EAT:7ECE:TQ47:3H56:GCJY:3GJW:RPFX:5CCN",
"Containers":13,
"Images":104,
"Driver":"aufs",
"DriverStatus"
...
}