You can get the list of networks using the following command docker network lsĬonsider my list below: ❯ docker network ls There are mainly two types of networks, the default or predefined networks and the user-defined networks. If two containers take on IP addresses from the same pool, they're going to be able to communicate with each other. Think of docker network as a pool of available IP addresses. This network is called a "docker network". This communication is achieved by having at least two network interfaces associated with each of these two containers, both interfaces being connected to the same network. The frontend has to communicate with the database, otherwise, it just won't work. There are two services, one is the web server that serves the frontend, and another is the backend, the database. Depending on the purpose of the software, one service may need to communicate with another.įor example, consider WordPress. Each of these softwares is broken down into microservices and then packaged as containers.
GET DOCKER IP FULL
Software can have a multitude of purposes, from possibly simple text processing to a full web server, hosting your private files. How docker containers communicate?ĭocker is a tool for packaging and delivering software to the masses using containerization technology.
I'll explain that to you in the next section followed by some other methods of getting the IP address of a running docker container. To understand that, you need to understand how containers communicate with each other. You may also use grep command to get just the lines matching the string "IPAddress".ĭon't be alarmed if your container has more than one IP address. Go towards the end and look into the Networks section to get the container's IP address. The inspect command gives you many details about the container you are inspecting.
Don't know the container's name or ID? Use the command sudo docker ps.
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