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Merge pull request #359 from pydanny/docker-docs-cleanup

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Docker docs cleanup
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Daniel Greenfeld 2015-10-04 11:42:48 -07:00
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docs/developing-locally-docker.rst
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@ -4,29 +4,28 @@ Getting Up and Running with Docker
.. index:: Docker
The steps below will get you up and running with a local development environment.
All of these commands assume you are in the root of your generated project.
Prerequisites
--------------
If you don't already have these installed, get them all by installing `Docker Toolbox`_.
* docker
* docker-machine
* docker-compose
* virtualbox
If you don't already have these installed, you can get them at:
.. _`Docker Toolbox`: https://github.com/docker/toolbox/releases
* https://github.com/docker/toolbox/releases
* https://www.virtualbox.org/wiki/Downloads
Create the Machine (Optional)
-------------------------------
Go to the Root of your Project
------------------------------
On Ubuntu you have native Docker, so you don't need to create a VM with
docker-machine to use it.
All of these commands assume you are in the root of your generated project.
Create the Machine
-------------------
::
However, on Mac/Windows/other systems without native Docker, you'll want to
start by creating a VM with docker-machine::
$ docker-machine create --driver virtualbox dev1
@ -34,29 +33,16 @@ Create the Machine
name them accordingly. Instead of 'dev1' you might have 'dev2', 'myproject',
'djangopackages', et al.
Make the new machine the active unit
-------------------------------------
This tells our computer that all future commands are specifically for the just
created machine. Using the ``eval`` command we can switch machines as needed.
::
$ eval "$(docker-machine env dev1)"
Get the IP Address
--------------------
Acquiring the IP Address is good for two reasons:
1. Confirms that the machine is up and running.
2. Tells us the IP address where our Django project is being served.
::
Once your machine is up and running, run this::
$ docker-machine ip dev1
123.456.789.012
This is also the IP address where the Django project will be served from.
Saving changes
--------------
@ -64,15 +50,12 @@ If you are using OS X or Windows, you need to create a /data partition inside th
virtual machine that runs the docker deamon in order make all changes persistent.
If you don't do that your /data directory will get wiped out on every reboot.
To create a persistent folder, log into the virtual machine by running:
::
To create a persistent folder, log into the virtual machine by running::
$ docker-machine ssh dev1
$ sudo su
$ echo 'ln -sfn /mnt/sda1/data /data' >> /var/lib/boot2docker/bootlocal.sh
In case you are wondering why you can't use a host volume to keep the files on
your mac: As of `boot2docker` 1.7 you'll run into permission problems with mounted
host volumes if the container creates his own user and chown's the directories
@ -83,57 +66,17 @@ Build the Stack
---------------
This can take a while, especially the first time you run this particular command
on your development system.
::
on your development system::
$ docker-compose build
Boot the System
------------------------------
---------------
This brings up both Django and PostgreSQL. The first time it is run it might
take a while to get started, but subsequent runs will occur quickly.
This brings up both Django and PostgreSQL.
::
$ docker-compose -f dev.yml up
If you want to run the entire system in production mode, then run:
::
$ docker-compose up
If you want to run the stack in detached mode (in the background), use the ``-d`` argument::
::
$ docker-compose up -d
Running bash commands (i.e. management commands)
----------------------------------------------------
This is done using the ``docker-compose run`` command. In the following examples
we specify the ``django`` container as the location to run our management commands.
Example:
$ docker-compose run django python manage.py migrate
$ docker-compose run django python manage.py createsuperuser
Deprecated
==========
**Note:** This segment of documentation is being kept in this location as part of our documentation transition process.
The steps below will get you up and running with a local development environment. We assume you have the following installed:
* docker
* docker-compose
The first time it is run it might take a while to get started, but subsequent
runs will occur quickly.
Open a terminal at the project root and run the following for local development::
@ -146,10 +89,43 @@ You can also set the environment variable ``COMPOSE_FILE`` pointing to ``dev.yml
And then run::
$ docker-compose up
Running management commands
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
As with any shell command that we wish to run in our container, this is done
using the ``docker-compose run`` command.
To migrate your app and to create a superuser, run::
$ docker-compose run django python manage.py migrate
$ docker-compose run django python manage.py createsuperuser
Here we specify the ``django`` container as the location to run our management commands.
Production Mode
~~~~~~~~~~~~~~~~
Instead of using `dev.yml`, you would use `docker-compose.yml`.
Other Useful Tips
------------------
Make a machine the active unit
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This tells our computer that all future commands are specifically for the dev1 machine.
Using the ``eval`` command we can switch machines as needed.
::
$ eval "$(docker-machine env dev1)"
Detached Mode
~~~~~~~~~~~~~
If you want to run the stack in detached mode (in the background), use the ``-d`` argument::
::
$ docker-compose up -d