docker-hosts-updater

Automatic update /etc/hosts on start/stop containers which defined hostname option.

Requirements

• Native linux
  This tool has no effect on macOS or windows, because docker on this OS running in VM and you can't directly access from host to each container via ip.

Usage

Start up docker-hosts-updater:

% docker run -d --restart=always --name docker-hosts-updater -v /var/run/docker.sock:/var/run/docker.sock -v /etc/hosts:/opt/hosts grachev/docker-hosts-updater

Start containers with hostname option

% docker run -d --hostname nginx.local nginx

Try to ping from host

% ping nginx.local

Subdomains

Add label subdomains with one or more subdomains separated by space:

% docker run -d --hostname nginx.local --label subdomains="www api" nginx
% ping nginx.local
% ping www.nginx.local
% ping api.nginx.local