Discussions

Docker

To list the running containers:

$ docker ps

To list all containers - stopped:

$ docker ps -a

To delete:

$ docker rm <container_id>

To use ephemeral docker:

$ docker run -rm ruby:3.2.2 ruby -e "puts :hello"

Build image:

$  docker  build  [options]  path/to/build/directory

List images:

$ docker images

To publish port:

$ docker run -p port-out:port-in image_id command
for example:
$ docker run -p 3000:3000 image_id bin/rails s -b 0.0.0.0

Tagging images:

$ docker tag image_id <image_name>[:<tag>]

during build:
$  docker  build  -t  railsapp  -t  railsapp:1.0  .

Clean imags

$ docker image prune

List currently defined networks

$ docker network ls

Start/build services

$ docker-compose up

Launch app in background

$ docker-compose up -d

Check list of running containers

$ docker-compose ps

Stop all containers:

$  docker-compose  stop

Stop particular service:

$ docker-compose stop <service_name>

Restart service:

$ docker-compose restart <service_name>

Viewing the containers logs

$ docker-compose logs -f

Running off-off commands.

$ docker-compose run --rm service command

Running command using already working one.

$ docker-compose exec container_name command

Rebuild mage

$ docker-compose build service

Create machine

docker-machine create --driver virtualbox --virtualbox-memory "2048" --virtualbox-hostonly-cidr 192.168.56.1/21 local-vm-1

List machines

$ docker-machine ls

Ssh to machine

$ docker-machine ssh local-vm-1
or 
$ docker-machine ssh <instance name> "command"