Docker terms and commands

the term

Docker A mechanism that makes it easy from application development to deployment by creating a virtual environment (container) that packages the necessary environment (OS, library, application).

container

Execution part of virtual environment created based on Docker image

Docker image

A template that describes what you need to create a container

Docker registry

Store Docker images online Dockerfile Describe environment construction such as commands and libraries Docker Compose Link multiple applications and manage them collectively docler-compose.yml Describe the container to be managed collectively

command

Docker image

Image creation

terminal.

% docker image build
% docker image build -t <Namespace>/<name>:<name> 

Image list

terminal.

% docker image　ls -a 

Docker container

Container creation / start

terminal.

% docker container run
% docker container run -p <port number>:<port number> --name <Namespace>/<name>:<name>

Container list

terminal.

% docker container ls -a

Container stop

terminal.

% docker container stop <name>

Delete container

terminal.

% docker container rm <name>

Check the container log

terminal.

% docker container logs <name>

Docker Compose

Creating an image

terminal.

% docker-compose build

Container creation / start

terminal.

% docker-compose up

Stop / delete container

terminal.

% docker-compose down

Container list

terminal.

% docker-compose ps

View log

terminal.

% docker-compose logs

Execute command

terminal.

% docker-compose run <service><command>

Execute command to a running container

terminal.

% docker-compose exec <service><command>

Docker command list

terminal.

% docker --help