Hexacta OpenTalk - DevOps: Containers

Contenidos

• Website estático con Nginx
• Flask para developers
• Microservicios
• Wordpress con MariaDB

Links

• Docker para Windows
• Docker para Mac
• Docker para Ubuntu
• Documentación

Comandos básicos

$ docker --version # Version
$ docker images # list images
$ docker image rm <name|id> # delete image
$ docker run <image> # run container from image
$ docker start <name|id> # start container
$ docker stop <name|id> # stop container
$ docker ps [-a include stopped containers] # list containers
$ docker rm <name|id> # delete container
$ docker run --name webapp01 -p 8080:80 <name|id> # forward ports local:docker
$ docker run --name webapp01 -p 8080:80 -d <name|id> # as daemon
$ docker build -t webapp01 . # build
$ docker exec -ti webapp01 /bin/bash # enter in interactive mode

Exportar container

$ docker export container > container.tar # export container
$ tar -c container.tar # docker import - container:version # import container
$ run --name webapp -p 8080:80 -d container:version /usr/bin/supervisord # run imported image

Docker buscar y eliminar containers e imágenes

$ docker ps -a | grep -v COMMAND | awk '{ print $1 }' | xargs docker rm
$ docker images | grep -v REPOSITORY | awk '{ print $3 }' | xargs docker image rm

Probado Ubuntu

$ docker run -it --name ubuntu ubuntu:latest /bin/bash
$ docker start ubuntu
$ docker exec -it ubuntu /bin/bash
$ docker stop ubuntu
$ docker rm ubuntu