Docker

Launch a Docker container and run a simple “Hello World” command.

docker run hello-world

Create a Docker image based on instructions in a Dockerfile.

docker build -t my-custom-image .

View the containers currently active on your system.

docker ps

Halt the execution of a specific Docker container.

docker stop container_id

Permanently delete a stopped container from your system.

docker rm container_id

Retrieve detailed metadata about a specific Docker container.

docker inspect container_id

Fetch a Docker image from a container registry like Docker Hub.

docker pull nginx:latest

Execute a Docker container in detached mode, allowing it to run in the background.

docker run -d my-custom-image

View the output and logs generated by a running Docker container.

docker logs container_id

Open an interactive shell (bash) inside a running Docker container.

docker exec -it container_id /bin/bash

Specify port mapping to expose container services to the host.

docker run -p 8080:80 my-web-app

Attach a local directory to a container to persist data.

docker run -v /path/on/host:/path/in/container my-app

Create and manage Docker networks to facilitate communication between containers.

docker network create my-network

Forcefully remove all stopped containers in one command.

docker rm -f $(docker ps -aq)

Use Docker Compose to manage multiple containers as a single application.

docker-compose up -d