How to set up docker host

Setting up a host for a Docker container requires modifying the /etc/hosts file on the host. The steps include: 1. Determine the IP address of the target container; 2. Edit the hosts file; 3. Add host records. For example, if you set the container IP address 172.17.0.2 to the host name my-host, add 172.17.0.2 my-host to the /etc/hosts file.

Setting up host in Docker

Question: How to set up a host in a Docker container?

Answer: Setting up a host for a Docker container involves modifying the /etc/hosts file on the host.

step:

1. Determine the IP address of the target container: Run docker inspect my-container command, where my-container is the name of the container. Under the "NetworkSettings" section, find the IPv4 address of the container.
2. Edit hosts file: Use a text editor (such as nano or vi ) to edit the host's /etc/hosts file.

3. Add host record: Add a line to the file, in the format:

    <code> </code>

   For example:

    <code>172.17.0.2 my-host</code>

4. Save and exit the hosts file.

Example:

Assuming you want to set the IP address 172.17.0.2 of the container my-container to the host name my-host , you can follow the following steps:

1. Run docker inspect my-container command and note the IP address.
2. Use sudo nano /etc/hosts to open the /etc/hosts file.

3. Add a line:

    <code>172.17.0.2 my-host</code>

4. Press Ctrl X to save and exit the file.

Your Docker container now has access to a host whose host name is my-host .

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