docker network

Basic Syntax

Subcommands and Options

1. create: Create a new network.

   docker network create [OPTIONS] NETWORK

   Options:

   • -d, --driver: Driver to manage the network (default is bridge).

     docker network create -d bridge mynetwork

   • --subnet: Subnet in CIDR format.

     docker network create --subnet 192.168.1.0/24 mynetwork

   • --gateway: IPv4 or IPv6 gateway for the master subnet.

     docker network create --gateway 192.168.1.1 mynetwork

2. inspect: Display detailed information on one or more networks.

   docker network inspect NETWORK

3. ls: List all networks.

   docker network ls

4. rm: Remove one or more networks.

   docker network rm NETWORK

5. connect: Connect a container to a network.

   docker network connect [OPTIONS] NETWORK CONTAINER

6. disconnect: Disconnect a container from a network.

   docker network disconnect [OPTIONS] NETWORK CONTAINER

Examples

1. Creating a Network

   docker network create mynetwork

   This command creates a network named mynetwork with the default bridge driver.

2. Creating a Network with a Specific Subnet and Gateway

   docker network create --subnet 192.168.1.0/24 --gateway 192.168.1.1 mynetwork

   This command creates a network named mynetwork with the specified subnet and gateway.

3. Listing All Networks

   docker network ls

   This command lists all the networks available on the Docker host.

4. Inspecting a Network

   docker network inspect mynetwork

   This command displays detailed information about the network named mynetwork.

5. Removing a Network

   docker network rm mynetwork

   This command removes the network named mynetwork.

6. Connecting a Container to a Network

   docker network connect mynetwork mycontainer

   This command connects the container named mycontainer to the network named mynetwork.

7. Disconnecting a Container from a Network

   docker network disconnect mynetwork mycontainer

   This command disconnects the container named mycontainer from the network named mynetwork.

Conclusion

The docker network command is essential for managing Docker networks. Understanding its subcommands and options allows you to effectively create, inspect, list, and remove networks, as well as connect and disconnect containers to and from networks.