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This automates xdebug support on Linux, putting the correct IP in the container's hosts file with the
host.docker.internal
name just like on a Mac/Windows.Confirm my Docker gateway IP:
172.17.0.1 host.docker.internal
is now added to /etc/hosts:[slic@slic] /var/www/html/wp-content/plugins/whatever > cat /etc/hosts 127.0.0.1 localhost ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters 172.17.0.1 host.docker.internal 172.28.0.6 970efb9ed2ce
Ref: docker/for-linux#264 (comment)