tify.one

• Shortify one userspace
• tify your way
• Shortify valid urls using sliced md5 hash
• tify.one/hash shortified url to redirect
• tify.one redirects to app.tify.one
• bad hash shows 404 page
• app.tify.one to access the home page and full functionality
• blog.tify.one to access the blog
• help.tify.one
• user.tify.one the user space shotified profile and urls i.e. user.tify.one/bio for general profile or user.tify.one/ig for specific custom links

Environment

• Development environment with Docker and Docker Compose

Services

• Namecheap
• DigitalOcean
• ssl Certbot
• ssh
• datadog
• nginx

References

• graphql
• graphene
• django-hosts

docker

• docker build -t sh-py:1.0 .

development environment

• docker run -d -it --rm -p 8000:8000 --name sh-py-0 -v /home/ralex/code/shortener:/code sh-py:1.0
• docker exec -it sh-py-0 sh
• python manage.py runserver 0.0.0.0:8000

project

• python manage.py makemigrations
• python manage.py migrate
• python manage.py runserver 0.0.0.0:8000

create superuser

• python manage.py createsuperuser
• admin.tify.one

graphql

• add to settings.py the Schema for for all objects types

GRAPHENE = {
    'SCHEMA': 'shortener.schema.schema'
}

Graphene

hash

• using md5 from hashlib

create url mutation

mutation {
  createUrl(urlFull:"https://ralex.me") {
    url {
      id
      urlFull
      urlHash
      visits
      dateCreated
    }
  }
}

query url

query {
  urls{
    id
    urlFull
    urlHash
    visits
    dateCreated
    __typename
  }
}

Docker compose for development

• docker compose up -d --build
• if fails
• docker compose down -v
• docker compose exec web python manage.py migrate --noinput
• docker compose exec web python manage.py migrate
• docker compose exec db psql --username=postgres --dbname=postgres_dev
• docker volume inspect tifyone_postgres_data
• chmod +x entrypoint.sh

Docker compose production

• docker compose -f docker-compose.prod.yaml up -d --build

• docker compose -f docker-compose.prod.yaml down -v

• docker compose -f docker-compose.prod.yaml up -d --build

• docker compose -f docker-compose.prod.yaml exec web python manage.py migrate --noinput

• docker compose logs -f

• docker compose exec web python manage.py flush --no-input

• docker compose exec web python manage.py migrate

build and run the production environment

• docker compose -f docker-compose.prod.yaml up -d --build

• docker compose -f docker-compose.prod.yaml exec web python manage.py migrate --noinput

• docker compose -f docker-compose.prod.yaml down -v

• docker compose -f docker-compose.prod.yaml up -d --build

• docker compose -f docker-compose.prod.yaml exec web python manage.py migrate --noinput

manage.py migrate manage.py collectstatic --no-input

upstream web_server {
    # docker will automatically resolve this to the correct address
    # because we use the same name as the service: "web"
    server web:8000;
}

# declare main server NGINX


server {

    listen 80;
    server_name localhost;

    location / {
        # everything is passed to Gunicorn
        proxy_pass http://web_server;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $host;
        proxy_redirect off;
    }
    location /static/ {
        alias /usr/src/code/static/;
    }
    location /media/ {
        alias /usr/src/code/media/;
    }
}

Deploy

• Kubernetes cluster
• kubectl
• domain name
• ingres-nginx
• DNS record A
• storage object
• Django app
• Postgres database
• Docker hub
• Docker engine

kubernetes

ssh key

• create ssh key pair
• `ssh-keygen -t rsa -b 4096"

Ansible

Author