diff --git a/docs/nginx.md b/docs/nginx.md index ca0039440..d309e2298 100644 --- a/docs/nginx.md +++ b/docs/nginx.md @@ -136,3 +136,25 @@ dokku domains:clear myapp # remove a custom domain from app dokku domains:remove myapp example.com ``` + +### Container network interface binding + +> New as of 0.3.13 + +The deployed docker container running your app's web process will bind to either the internal docker network interface (i.e. `docker inspect --format '{{ .NetworkSettings.IPAddress }}' $CONTAINER_ID`) or an external interface (i.e. 0.0.0.0) depending on dokku's VHOST configuration. Dokku will attempt to bind to the internal docker network interface unless you specifically set NO_VHOST for the given app or your dokku installation is not setup to use VHOSTS (i.e. $DOKKU_ROOT/VHOST or $DOKKU_ROOT/HOSTNAME is set to an IPv4 or IPv6 address) + +```shell +# container bound to docker interface +root@dokku:~/dokku# docker ps +CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES +1b88d8aec3d1 dokku/node-js-app:latest "/bin/bash -c '/star About a minute ago Up About a minute goofy_albattani + +root@dokku:~/dokku# docker inspect --format '{{ .NetworkSettings.IPAddress }}' goofy_albattani +172.17.0.6 + +# container bound to all interfaces (previous default) +root@dokku:/home/dokku# docker ps +CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES +d6499edb0edb dokku/node-js-app:latest "/bin/bash -c '/star About a minute ago Up About a minute 0.0.0.0:49153->5000/tcp nostalgic_tesla + +```