# Check if docker is running
service docker.io status

# Exit container
ctrl + p + q

# Docker info and docker version
docker -v
docker version
docker info

# Add non-root to the docker group (check if it's not added first)
cat /etc/group
sudo gpasswd -a username docker

# Configure Docker to communicate over the network
# Check programs running on the network & stop docker service
netstat -tlp
service docker stop

# COnfigure docker to run on IP and on UNIX
docker -H IP_ADDRESS:2375 -H unix:///var/run/docker.sock -d &

# In another machine, point the deamon to the IP where docker was configured, then reset
export DOCKER_HOST="tcp://IP_ADDRESS:2375"
export DOCKER_HOST=

# Docker running images and were running
docker ps
docker ps -a

# Docker images location files
/var/lib/docker/<mount>/diff/<image_id>

# Run ubuntu interactive on the terminal (-it) and run the bash process
docker run -it ubuntu /bin/bash

# Run detached
docker run -d ubuntu /bin/bash -c "ping 8.8.8.8 -c 30"

# See top processes inside container or inspect the information for the container
docker top <hash_id>
docker inspect <hash_id>

# Pull images or all tags
docker pull fedora
docker pull -a fedora

# Push images to the hub
docker tag <image_id> user/<name_repo>
docker push user/<name_repo>

# See all images (or only for one)
docker images
docker images fedora

# Images are stored at
/var/lib/docker/<storage_driver>

# Docker start and move to container
docker start <id_container>
docker attach <id_container>

# Create a new docker image and save and load
docker commit <hash_id> <new_image>
docker save -o /tmp/<name_image> <name_image>
docker load -i /tmp/<name_image>

# See history
docker history <container_name>

# Docker enter container (looking inside)
docker-enter <image_id>

# Execute commands inside terminal
docker exec -it <image_id> /bin/bash

# Building from a Dockerfile (build)
Dockerfile (<- file name)
  # Ubuntu based container (inside file)
  FROM ubuntu:17.10
  MAINTAINER email@example.com
  RUN apt-get update
  CMD ["echo","Hello World"]
  # EXPOSE 80
  # ENTRYPOINT ["echo"]
  # ADD
  # VOLUME /data

# Execute command to build the Dockerfile
docker build -t helloworld:0.1 .

# List all containers
docker ps -aq

# Stop all running containers
docker stop $(docker ps -aq)

# Remove all containers
docker rm $(docker ps -aq)

# Remove all images
docker rmi $(docker images -q)