Update documentation for TLS and boot2docker

Signed-off-by: Aanand Prasad <[email protected]>

docs/cli.md

@@ -101,6 +101,8 @@ By default if there are existing containers for a service, `fig up` will stop an
 
 Several environment variables can be used to configure Fig's behaviour.
 
+Variables starting with `DOCKER_` are the same as those used to configure the Docker command-line client. If you're using boot2docker, `$(boot2docker shellinit)` will set them to their correct values.
+
 ### FIG\_PROJECT\_NAME
 
 Set the project name, which is prepended to the name of every container started by Fig. Defaults to the `basename` of the current working directory.
@@ -112,3 +114,11 @@ Set the path to the `fig.yml` to use. Defaults to `fig.yml` in the current worki
 ### DOCKER\_HOST
 
 Set the URL to the docker daemon. Defaults to `unix:///var/run/docker.sock`, as with the docker client.
+
+### DOCKER\_TLS\_VERIFY
+
+When set to anything other than an empty string, enables TLS communication with the daemon.
+
+### DOCKER\_CERT\_PATH
+
+Configure the path to the `ca.pem`, `cert.pem` and `key.pem` files used for TLS verification. Defaults to `~/.docker`.

docs/install.md

@@ -8,11 +8,11 @@ Installing Fig
 
 First, install Docker version 1.3 or greater.
 
-If you're on OS X, you can use the [OS X installer](https://docs.docker.com/installation/mac/). You'll also need to set an environment variable to point at the Boot2Docker virtual machine:
+If you're on OS X, you can use the [OS X installer](https://docs.docker.com/installation/mac/) to install both Docker and boot2docker. Once boot2docker is running, set the environment variables that'll configure Docker and Fig to talk to it:
 
-    $ export DOCKER_HOST=tcp://`boot2docker ip`:2375
+    $(boot2docker shellinit)
 
-If you want this to persist across shell sessions, you can add it to your `~/.bashrc` file.
+To persist the environment variables across shell sessions, you can add that line to your `~/.bashrc` file.
 
 There are also guides for [Ubuntu](https://docs.docker.com/installation/ubuntulinux/) and [other platforms](https://docs.docker.com/installation/) in Docker’s documentation.