To restart a single container with Docker Compose, you can use the 'restart' command:

To enter a Docker container that is already running with a TTY, you can use the "docker exec" command with the "-it" flags. The "-i" flag allows you to interact with the container's STDIN, and the "-t" flag allocates a TTY for the container.

To run a Bash shell in an Alpine-based Docker container, you can follow these steps:

In a Dockerfile, RUN and CMD are two important instructions, but they serve different purposes.

Open a terminal or command prompt and navigate to the directory where the Docker image is located.

You can pass environment variables to Docker containers in a few different ways, able to pass the environment in Dockerfile, while running the docker container, and docker-compose file.

This post will explain you what is the difference between docker image and docker container. Everything starts with the Dockerfile. The Dockerfile is the source code of the image.