Docker commands

docker-cheat-sheet.txt

#Install docker script
curl -sSL https://get.docker.com |sh

#Get docker up and running
- Start docker:

```
$ sudo systemctl start docker
```

- Add your user (pi) to docker group
```
$ sudo usermod -aG docker pi
```

-----------------------

#Dockerfile -> run shellf script
RUN /bin/bash -c "source /usr/local/bin/virtualenvwrapper.sh"

#Dockerfile -> create new user
RUN useradd -ms /bin/bash newuser

#Remove <none> images
docker rmi $(docker images -f “dangling=true” -q)


#Start container on bash shell
docker run -it -d shykes/pybuilder /bin/bash

#Run shell command on running container
docker exec -it <container_id_or_name> echo "Hello from container!"

#Copy files/folder to/from docker container
docker cp foo.txt mycontainer:/foo.txt
docker cp mycontainer:/foo.txt foo.txt
docker cp src/. mycontainer:/target
docker cp mycontainer:/src/. target

#Remove all docker containers
docker rm $(docker ps -a -q)


#Docker run witl ALSA sound output (example)
docker run -ti --privileged --rm -v /dev/snd:/dev/snd filiperfernandes/ai-domotics:v2