Flask Deployment

Deploying Flask

# Gunicorn WSGI server
pip install gunicorn
gunicorn -w 4 -b 0.0.0.0:8000 "app:create_app()"

# Nginx config
server {
    listen 80;
    server_name myapp.com;

    location / {
        proxy_pass       http://127.0.0.1:8000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    location /static {
        root /var/www/myapp;
        expires 1y;
    }
}

# Docker
FROM python:3.12-slim
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
EXPOSE 8000
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:8000", "app:create_app()"]

# .env for production
FLASK_ENV=production
SECRET_KEY=super-random-secret
DATABASE_URL=postgresql://user:pass@db:5432/myapp