paulobigood / docker Goto Github PK

OS requirements🔗

• To install Docker Engine, you need the 64-bit version of one of these Ubuntu versions:

  • Ubuntu Lunar 23.04
  • Ubuntu Kinetic 22.10
  • Ubuntu Jammy 22.04 (LTS)
  • Ubuntu Focal 20.04 (LTS)
  • Ubuntu Bionic 18.04 (LTS)

• Docker Engine is compatible with x86_64 (or amd64), armhf, arm64, and s390x architectures.

Older versions of Docker went by the names of docker, docker.io, or docker-engine, you might also have installations of containerd or runc. Uninstall any such older versions before attempting to install a new version:

sudo apt-get remove docker docker-engine docker.io containerd runc

apt-get might report that you have none of these packages installed.

Images, containers, volumes, and networks stored in /var/lib/docker/ aren’t automatically removed when you uninstall Docker. If you want to start with a clean installation, and prefer to clean up any existing data, read the uninstall Docker Engine section.

Before you install Docker Engine for the first time on a new host machine, you need to set up the Docker repository. Afterward, you can install and update Docker from the repository.

Set up the repository

• 1. Update the apt package index and install packages to allow apt to use a repository over HTTPS:

    sudo apt-get update
    sudo apt-get install ca-certificates curl gnupg
  

• 2. Add Docker’s official GPG key:

    sudo install -m 0755 -d /etc/apt/keyrings
    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
    sudo chmod a+r /etc/apt/keyrings/docker.gpg
  

• 3. Use the following command to set up the repository:

    echo \
    "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
    "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
    sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
  

• 1. Update the apt package index:

     sudo apt-get update
  

• 2. Install Docker Engine, containerd, and Docker Compose.

     sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
  

• 3. Verify that the Docker Engine installation is successful by running the hello-world image.

     sudo docker run hello-world
  

This command downloads a test image and runs it in a container. When the container runs, it prints a confirmation message and exits.

Source: https://docs.docker.com/engine/install/ubuntu/

• 1. Installing docker-compose

  curl -L https://github.com/docker/compose/releases/download/1.16.1/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose 
  chmod +x /usr/local/bin/docker-compose                                                                                                  
  

  • Check the version of the Docker-Compose

    docker-compose version 
    

• 2. Installing docker-compose using python-pip

  • Install python-pip

    sudo apt update
    sudo apt install python3-pip
    

  • When the installation is complete, verify the installation by checking the pip version:

    pip3 --version
    

  • Install docker-compose

    sudo pip install docker-compose   
    

-> Listar todos os containers que estão em execução ou não

docker ps [OPTIONS]

-- Options:

-a, --all -> Show all containers (default shows just running)

-f, --filter filter -> Filter output based on conditions provided

--format string -> Pretty-print containers using a Go template

-n, --last int -> Show n last created containers (includes all states) (default -1)

-l, --latest -> Show the latest created container (includes all states)

--no-trunc -> Don't truncate output

-q, --quiet -> Only display container IDs

-s, --size -> Display total file sizes

-> Iniciar um ou mais containers que estejam parados

docker start [OPTIONS] CONTAINER [CONTAINER...]

-- Options:

-a, --attach -> Attach STDOUT/STDERR and forward signals

--detach-keys string -> Override the key sequence for detaching a container

-i, --interactive -> Attach container's STDIN

-> Pausar um ou mais conteiners que estejam em execução

docker stop [OPTIONS] CONTAINER [CONTAINER...]

-- Options:

-t, --time int -> Seconds to wait for stop before killing it (default 10)

-> Reiniciar um ou mais conteiners

docker restart [OPTIONS] CONTAINER [CONTAINER...]Detetar idioma

 Inglês  Português  Francês  swap_horiz  Português  Inglês  Francês  Texto de partida  Role

-- Options:

-t, --time int -> Seconds to wait for stop before killing it (default 10)

-> Remover um ou mais conteiners

docker rm [OPTIONS] CONTAINER [CONTAINER...]

-- Options:

-f, --force -> Force the removal of a running container (uses SIGKILL)

-l, --link -> Remove the specified link

-v, --volumes -> Remove anonymous volumes associated with the container

-> Listar images dos containers

docker images [OPTIONS] [REPOSITORY[:TAG]]

-- Options:

-a, --all -> Show all images (default hides intermediate images)

--digests -> Show digests

-f, --filter filter -> Filter output based on conditions provided

--format string -> Pretty-print images using a Go template

--no-trunc -> Don't truncate output

-q, --quiet -> Only show image IDs

-> Remover uma ou mais images

docker rmi [OPTIONS] IMAGE [IMAGE...]

-- Options:

-f, --force -> Force the removal a image

--no-prune -> Do not delete untagged parents

-> Verificar uso do container

docker stats [OPTIONS] [CONTAINER...]

-- Options:

-a, --all -> Show all containers (default shows just running)

--format string -> Pretty-print images using a Go template

--no-stream -> Disable streaming stats and only pull the first result

--no-trunc -> Do not truncate output

-> Verificar logs do container

docker logs [OPTIONS] CONTAINER

-- Options:

--details -> Show extra details provided to logs

-f, --follow -> Follow log output

--since string -> Show logs since timestamp (e.g. "2013-01-02T13:23:37Z") or relative (e.g. "42m" for 42 minutes)

-n, --tail string -> Number of lines to show from the end of the logs (default "all")

-t, --timestamps -> Show timestamps

--until string -> Show logs before a timestamp (e.g. "2013-01-02T13:23:37Z") or relative (e.g. "42m" for 42 minutes

-> Gerenciamento dos volumes no Docker

docker volume COMMAND

-- Commands:

create -> Create a volume

inspect -> Display detailed information on one or more volumes

ls -> List volumes

prune -> Remove all unused local volumes

rm -> Remove one or more volumes

-> Executa uma instrução dentro do container que está rodando sem precisar atachar nele

  docker exec [OPTIONS] CONTAINER COMMAND [ARG...]

-- Aliases:

  docker container exec, docker exec

-- Commands:

-d, --detach -> Detached mode: run command in the background

--detach-keys string -> Override the key sequence for detaching a container

-e, --env list -> Set environment variables

--env-file list -> Read in a file of environment variables

-i, --interactive -> Keep STDIN open even if not attached

--privileged -> Give extended privileges to the command

-t, --tty -> Allocate a pseudo-TTY

-u, --user string -> Username or UID (format: "<name|uid>[:<group|gid>]")

-w, --workdir string -> Working directory inside the container

-> Exibe o json com todas as configurações do container

  docker inspect [OPTIONS] NAME|ID [NAME|ID...]

-- Commands:

-f, --format string -> Format output using a custom template: 'json': Print in JSON format 'TEMPLATE': Print output using the given Go template. Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates

-s, --size -> Display total file sizes if the type is container

--type string -> Return JSON for specified type

-> Clusterização das aplicações em uma orquestração de várias containers

   docker swarm COMMAND

-- Commands:

ca -> Display and rotate the root CA

init -> Initialize a swarm

join -> Join a swarm as a node and/or manager

join-token -> Manage join tokens

leave -> Leave the swarm

unlock -> Unlock swarm

unlock-key -> Manage the unlock key

update -> Update the swarm

Fonte :