How can I use containers for my Python applications?

How can I use containers for my Python applications?

You can use Docker to create containers for your Python applications. First, you'll need to install Docker on your machine.

What is a Dockerfile and how do I create one for my app?

A Dockerfile is a script that contains instructions on how to build a Docker image for your application. You can create one by specifying the base image, copying your application files, and defining the command to run your app.

Can you give me an example of a simple Dockerfile for a Flask app?

Sure! Here's a simple Dockerfile for a Flask app:

FROM python:3.8

WORKDIR /app

COPY requirements.txt .
RUN pip install -r requirements.txt

COPY . .

CMD ["python", "app.py"]

This sets up a Python environment, installs dependencies, and runs your Flask app.

How do I build and run the container after creating the Dockerfile?

You can build the container using the command docker build -t my-flask-app . and then run it with docker run -p 5000:5000 my-flask-app.