Python

Virtual Environment

To create

python3 -m venv venv

To activate

source venv/bin/activate
pip install Flask

To install the requirements

pip install -r requirements.txt

How to update Requirements file

Get into virtual environment

Install packages

pip install requests

Generate the requirements file

pip freeze > requirements.txt

A Python app container example

FROM python:3.9.6-slim-buster

RUN useradd --create-home appuser
USER appuser

WORKDIR /app

COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY app.py .
EXPOSE 5000
CMD ["python3", "./app.py"]