網路機制

1.3.1 Default Network Modes

$ docker network ls

NETWORK ID          NAME                DRIVER
7fca4eb8c647        bridge              bridge
9f904ee27bf5        none                null
cf03ee007fb4        host                host

Bridge (default)

Containers in this default network are able to communicate with each other using IP addresses. The default docker0 bridge network supports the use of port mapping anddocker run --link to allow communications between containers in thedocker0 network.

None

The none network adds a container to a container-specific network stack. That container lacks a network interface

Host

container內網路同Host一樣(共用)

1.3.2 Used-Defined Network

Create bridge network

# docker network create my_bridge # docker network ls

Create overlay network

Docker's overlay network driver supports multi-host networking natively out-of-the-box.
The overlay network requires a valid key-value store service