The video tutorial covers the process of Dockerizing an API service using a Dockerfile. It explains the steps involved in building a custom Docker image with Python 3.9 as the base image, exposing port 5050 for a Flask web server, and copying necessary files into the image. The tutorial also demonstrates how to run the Docker container and start the service using specific commands. Additionally, it introduces the Dockerization of a React application and emphasizes the importance of keeping the API container running for integration. The session concludes with committing changes and outlining the next steps for Dockerizing the frontend application.

What is the base image chosen for building the custom Docker image?

Explain the purpose of exposing port 5050 in the Docker container.

What command is used to start the service inside the container?

Describe the process of committing changes made in the Docker file.

What is the next step after dockerizing the API application?