Basic docker commands

What is contaner?

• Lightweight, standalone and executable software package that includes everything needed to run a peace of software.
• Containers are designed to provide a consistent are repoducible environment accross different platforms are development stages.
• Simplifies development, deployment and scaling.

Containers benifits

• Consistency
• Portability
• Resource Efficiency
• Scalability
• Versioning and Rollback

What are containers?

• Containers Repository
• Private Repositories
• Public Repository

##todo

##todo

Check Docker version -

How to pull container?

Two ways to check docker images

How to run docker?

1. docker run <image_name>
2. docker run -d <image_name> (-d means detach mode)

After getting this error run this code

How to find what are the running docker containers docker ps

How to stop running docker stop <container_id>

How to load and all containers (running/stop) (-a means all) docker ps -a

Each time you execut docker run command it will create a new docker container

##todo

How to run same container without creating new container docker start <container_id>

how to find logs docker logs <docker_name>

Keep listing logs docker logs -f sweet_sanderson

How to go to inside docker container docker exec -it <container_name> psql -U postgres exec - execute -it - internal terminal psql - postgresql -U - User postgres - username

how to exit the containr exit

how to customize container name when running container (-e means enviorenment) docker run --name <customise_name> -e POSTGRES_PASSWORD=password postgres

how to run docker container on detach mode ( -d means detach) docker run -d --name <customize_name> -e POSTGRES_PASSWORD=password postgres

how to remove docker container docker rm <container_id> rm - remove

how to remove docker image docker rmi <image_id> rmi - removde image id

How to pull specific image versions docker pull redis:6.2