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Django To-Do list application

Application on-line demo: django.burava.com

Application uses MariaDB(MySQL) database. Other requirements can be found here.

Docker-related files used in the application:

Installation process

Our application is deployed on 2 nodes (node1 & node2). Each node will contain 2 Docker containers: one for application and one for the database.

GitHub actions automatically builds the image, pushes it to the GitHub registry and then the package is pulled and launched on the both nodes as they are registered as self-hosted runners.

Below you can find the steps to build the application manually if needed without the GitHub Actions workflow.

  1. Connect to your application server (node1).
vagrant ssh node1 # from your personal PC
ssh node1 # if you are already connected to control

For now, all the project files are already available in the vagrant/ folder which won't be the same in real life when you need to deploy application on the remote server, so let's clone the git repository to make it "more realistic"

  1. Clone the git repository:
git clone https://github.com/danilgotvyansky/djangoapp_with_devops .

If you have followed the steps from the Ansible tutorial, you should already have Docker and Docker-compose installed on your nodes. 3. Create the .env file:

cd vagrant/djangoapp && nano .env

Add the following content to it:

MARIADB_DATABASE=<db_name>
MARIADB_USER=<db_user>
MARIADB_PASSWORD=<db_password>
MARIADB_ROOT_PASSWORD=<db_root_password>
DB_HOST=db
DB_PORT=3306 #or you can set a custom one 
DB_NAME=<db_name> #here and below same as for MARIADB_*
DB_USER=<db_user> 
DB_PASSWORD=<db_password>
  1. Build and launch docker containers:
cd vagrant/djangoapp
docker-compose build && docker-compose up

You should be able to open the application on the http://{your_node1_IP}:8000 link.

Django Admin SuperUser

It is also recommended to create the Django Admin SuperUser for the administrative access to your application.

  1. Find your docker container ID:
sudo docker container ls

Copy the ID of your application_1 Docker container here. 2. Enter your container bash interactively:

sudo docker exec -it <your container id> bash
  1. Create the Django Admin SuperUser:
python manage.py createsuperuser

Now you can check if you are able to log in to your Admin dashboard here: http://{your_node1_IP}:8000/admin