Deployment Strategies

# Heroku Deployment
# requirements.txt
Django==4.2.0
gunicorn==20.1.0
psycopg2-binary==2.9.6
whitenoise==6.4.0

# Procfile
web: gunicorn myproject.wsgi --log-file -

# Runtime.txt
python-3.11.0

# Heroku commands
heroku create my-django-app
heroku addons:create heroku-postgresql:hobby-dev
heroku config:set SECRET_KEY=your-secret-key
heroku config:set DEBUG=False
git push heroku main
heroku run python manage.py migrate

# DigitalOcean App Platform
# app.yaml
name: django-app
services:
  - name: web
    source_dir: /
    github:
      repo: username/django-app
      branch: main
    run_command: gunicorn myproject.wsgi:application
    environment_slug: python
    instance_count: 1
    instance_size_slug: basic-xxs

# AWS Elastic Beanstalk
# .ebextensions/django.config
option_settings:
  aws:elasticbeanstalk:container:python:
    WSGIPath: myproject.wsgi:application
  aws:elasticbeanstalk:environment:proxy:staticfiles:
    /static: static

# Docker Deployment
# Dockerfile
FROM python:3.11-slim

WORKDIR /app
COPY requirements.txt .
RUN pip install -r requirements.txt

COPY . .
RUN python manage.py collectstatic --noinput

EXPOSE 8000
CMD ["gunicorn", "myproject.wsgi:application", "--bind", "0.0.0.0:8000"]

# docker-compose.yml
version: '3.8'
services:
  web:
    build: .
    ports:
      - "8000:8000"
    environment:
      - DEBUG=False
      - DATABASE_URL=postgresql://user:pass@db:5432/dbname
    depends_on:
      - db
  db:
    image: postgres:13
    environment:
      - POSTGRES_DB=dbname
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=pass
    volumes:
      - postgres_data:/var/lib/postgresql/data

volumes:
  postgres_data: