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A tool for deploying Django Web Apps to remote servers

Project description

Last Updated: July 18th, 2018

A collection of commands for generating and modifying a Django 2.0 project bundled with production-ready Dockerfiles.

Installation & Setup

Install the following dependencies:

  • Docker for Mac/Windows

  • Python 2.7/3.x (Python 3.x preferred)

Install from PyPI

pip install yak-yurt

Alternative: Install from git

git clone
cd yurt
pip install --editable .

Project Structure

A project created with Yurt has the following file structure:

<project_name> (PROJECT_ROOT)
    |_ docker-compose.yml
    |_ docker-compose.remote.yml
    |_ django_app
    |   |
    |   |_ <project_name>
    |   |   |_
    |   |   |_
    |   |   |_
    |   |
    |   |_
    |   |_ requirements.txt
    |   |_
    |   |_ Dockerfile.remote
    |_ envs
    |   |
    |   |_ dev.env
    |   |_ remote.env
    |_ proxy
        |_ Dockerfile
        |_ <project_name>.conf
        |_ <project_name>.ssl.conf
Running yurt env add will add:
  • Another docker-compose.*.yml file to the PROJECT_ROOT.

  • Another *.env file to PROJECT_ROOT/envs

Note: <project_name>.ssl.conf is provided as a convenience, but it will still take some work to get it set up.


Get HELP for a Yurt command

yurt [COMMAND] --help

Creating a new Django project

yurt new

This command generates all the files necessary to have a Django project, bundled with docker-compose.yml. Without any further configuration, you can run docker-compose to run Django’s dev server

cd path/to/projects/docker-compose.yml
docker-compose up

Host Provisioning

yurt provision new

Yurt uses docker-machine to support automagical Docker provisioning on AWS EC2 servers as well as on generic servers. Dry run mode (which is prompted by Yurt) simply prints out the docker-machine commands that Yurt would call given your input (and is recommended for new users).

Environment Variable Management

Yurt has some utilities for managing environment variables in the project. It only really makes sense to do this once you’ve provisioned a host with Docker (see Host Provisioning above ☝️).

About Environment Contexts

An environment context is simply the environment variables and deploy configurations that correspond to a given desired context (i.e. “staging”, “production”, “test”). Each environment context in a Yurt project consists of an environment variable file (*.env) in the envs directory and the corresponding docker-compose.*.yml file in the root-level directory. The environment variables of new environment contexts are NOT checked into version control, so it’s important to coordinate with teams a way to export/import environment variables.

  • Note 1: docker-compose.remote.yml is a special file that Yurt uses as the initial template for new environment contexts. It can be edited but should not be deleted.

  • Note 2: Adding new services to docker-compose.remote.yml will propagate those new services to new environment contexts. For example, adding a new service like redis to docker-compose.remote.yml means that subsequent calls to yurt env add will include redis.

Add a new environment context

cd path/to/yurt-project
yurt env add

Export environment variables of all environment contexts to zip file

cd path/to/yurt-project
yurt env export <arbitrary-name>

Import environment variables of all environment contexts from zip file

cd path/to/yurt-project
yurt env import path/to/

Deploying Django to Remote Host

Yurt no longer directly handles app deploy. To deploy, you can use docker-compose in the right machine context. This is a guide to do so. This guide assumes you are in the root directory of a Yurt project (i.e. the same directory as docker-compose.yml).

First: Provision a new Remote Host

yurt provision new

In this example, I will create a new generic host on a VPS at IP address called test-host-1.

Second: Change machine context

eval `docker-machine env test-host-1` # Or use a different name than "test-host-1" to access a different context.

This tells Docker that any docker or related command that is called is to be piped over directly to the remote host.

Third: Generate the Environment Context

yurt env add

In this example, I defined allowed_hosts and nginx_server_name as the IP address of the current machine context ( I defined environment as production. I also set a bunch of other variables related to Django and Postgres.

Fourth: Deploy

docker-compose -f docker-compose.production.yml up -d

Simply, run docker-compose with the correct environment context’s deploy configs. The deploy configs automatically pull the correct environment variables.



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