steps to start docker:

1. Install and run Docker Desktop
2. Sign up on Docker Hub
3. In cmd switch to the project directory
4. Run command : docker build -t my_app:latest
5. Next: docker run -p 5000:5000 my_app:latest

Or Simply run my_app image from docker hub.

1. Run Command: docker pull nishantketu/my_app
2. Next: docker run -p 5000:5000 nishantketu/my_app:latest