The none driver simply disables networking for a container, making it isolated from other containers. You can learn more about Docker’s architecture here. Reminder: a Docker host is a host/computer running the Docker daemon. It’s interesting to note that a Container is generally unaware of the network driver it uses, except when using the none driver. This command runs a nignx container using the host driver in the background (specified by the -d flag). The driver can be specified by the -network option for the docker run command like this:Įnter fullscreen mode Exit fullscreen mode
The 4 out-of-the-box network drivers are: Lastly, one can even build their own custom drivers if available ones don't suffice (although that will rarely ever be required). Then there are 3rd party drivers (by plugin providers) available for special use cases. Network drivers are pluggable interfaces that provide the actual network implementations for Docker Containers.ĭocker comes with several drivers out-of-the-box that provide core networking functionality for many use cases - like service discovery, encryption, multi-host networking, etc.
This is, of course, an oversimplification so feel free to learn more about the design of CNM here.Īs users of Docker, instead of the detailed implementations of CNM, we should learn more about how to properly use. You can think of the Container Network Model as an abstract class that defines the required interface, whereas network drivers correspond to concrete classes implementing the interface.
If you are looking to learn more about the basics of Docker, I’ll recommended checking out the Docker Made Easy series. blog #1 - Why is Networking important in Docker?.This blog is the third one in a series for Docker Networking.
This blog will try to answer that as simply as possible. What are Network Drivers in Docker? How do they enable easy network configuration for Containers?
I'd like to switch to WSL2-based Docker just for the sake of lower memory usage and shell speed (pwsh is cool but slow).Learn how Docker Network Drivers allow easy Container network configuration by implementing the Container Network Model I used to use Docker Desktop under Powershell, and it was awesome too. You are doing fantastic job, thank you! The only issue I have with running Docker inside WSL2 for now is this one we're discussing, and I can work around that by building my images manually with -network=host. We at Docker are working to improve the experience in wsl2 and we'll give an overview of that in a blog post very soon. a powershell terminal you have to use the IP address of the wsl2 vm. Only thing is when you want to run curl.exe from eg. Running curl inside wsl2 works for me regardless of the -network optionĬurl inside wsl2 has nothing to do with Docker. The values were successfully passed into the container but no host could be reached nonetheless. First, I thought it was a DNS issue and tried adding DNS servers to daemon.json. The image for this service failed to build because was unreachable from inside the container.
One service has a Dockerfile with apt-get install in it. added the repo and installed docker and docker-compose from there.Īt this point, I was trying to run services with docker-compose.