Question 1

How do I set up Python on a VPS?

Accepted Answer

Use pyenv for version management: install pyenv, then "pyenv install 3.12" and "pyenv global 3.12". Alternatively, use system Python with venv for virtual environments. Always use virtual environments for projects.

Question 2

Should I use venv or conda for production?

Accepted Answer

Use venv for web applications - it's lightweight and standard. Conda is better for data science workloads with complex dependencies (numpy, pandas, ML libraries). For pure web apps, venv with pip is recommended.

Question 3

How do I deploy Python web apps?

Accepted Answer

Use Gunicorn or Uvicorn as the application server behind Nginx. Create a virtual environment, install dependencies from requirements.txt, configure systemd to manage the process. Never use development servers in production.

Question 4

Which Python version should I use?

Accepted Answer

Use Python 3.11 or 3.12 for best performance and features. Avoid Python 2 (end of life) and versions below 3.10. Check framework requirements - Django 5 requires Python 3.10+, FastAPI works best with 3.8+.

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