Proxy plugin

New as of 0.5.0

As of dokku 0.5.0, the proxy functionality has been decoupled from the nginx-vhosts plugin into the proxy plugin. In the future this will allow other proxy software (HAproxy for example) to be used instead of nginx.

proxy:disable <app>                                                                          Disable proxy for app
proxy:enable <app>                                                                           Enable proxy for app
proxy:set <app> <proxy_type>                                                                 NOT IMPLEMENTED YET!!

Container network interface binding

By default, the deployed docker container running your app's web process will bind to the internal docker network interface (i.e. docker inspect --format '{{ .NetworkSettings.IPAddress }}' $CONTAINER_ID). This behavior can be modified per app by disabling the proxy (i.e. dokku proxy:disable <app>). In this case, the container will bind to an external interface (i.e. 0.0.0.0) and your app container will be directly accessible by other hosts on your network.

If a proxy is disabled, dokku will bind your container's port to a random port on the host, e.g. 0.0.0.0:32771->5000/tcp.

# 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                       node-js-app.web.1

root@dokku:~/dokku# docker inspect --format '{{ .NetworkSettings.IPAddress }}' node-js-app.web.1
172.17.0.6

# container bound to all interfaces
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   node-js-app.web.1
  v: v0.5.6
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