How can I use Docker to manage the dependencies of my Python application?

Asked 3 months ago

I'm working on a Python application and considering using Docker for dependency management. How can I effectively use Docker to manage the dependencies of my app?

Sergio Calhoun

Thursday, November 09, 2023

Go over the steps below to manage your app dependencies with Docker:

  1. First, create a Dockerfile for your Python project.
  2. Then, in the Dockerfile, define the base Python image, copy your application code, and use `pip` to install the required dependencies from a "requirements.txt" file. This ensures that your application runs within an isolated environment with its dependencies encapsulated.
  3. Once you've installed the dependencies, consider using multi-stage builds to reduce the final image size.
  4. Last but not least, you should look to regularly update the "requirements.txt" file and rebuild the Docker image to keep your dependencies up to date.

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