Have you implemented containerization of applications using Docker?

Yes, I have implemented containerization of applications using Docker. It allows packaging the application and all its dependencies into a single container that can be run in any environment.

A simple Dockerfile example for a Python application:

FROM python:3.9-slim
WORKDIR /app
COPY requirements.txt ./
RUN pip install -r requirements.txt
COPY . .
CMD ["python", "app.py"]

This approach simplifies deployment, provides isolation, and ensures reproducibility of the environment.