Docker101

# copyng files from an outside box to you directory
scp -i infolob-analytics.pem [email protected]:/home/ubuntu/.pm2/logs/index-out-0.log .


# running image, configuring port, environment var 
docker run --name some-postgres -p 5432:5432 -e POSTGRES_PASSWORD=visualuser -e POSTGRES_USER=visualuser -d postgres

# running a continaer and attaching it
docker run -i -t centos

# unused containers
docker rm $( docker ps -q -f status=exited)

# Delete all dangling (unused) images
docker rmi $( docker images -q -f dangling=true)

#to navigate over the volumes created local

screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty  
then /var/lib/docker/volumes/jenkins-data/_data

// create you account at docker hub 
https://hub.docker.com

// testing docker basics
docker version

docker info

docker ps

docker images

// searching for images
docker search ubuntu

// pulling a image
docker pull ubuntu:latest

// checking if the images it was pulled
docker images

// build a image
docker build -t myimage:v1 .

//run the container
docker run -it myimage:v1

// list exited containers
docker ps -a

// see the container statistics
docker stats containerID

//see the containers logs
docker logs containerID

//connecting to docker hub
docker login
Username: <username>
Password: <password>
Email: <email@com>

// that you image
docker tag you-image-name <YOUR_DOCKER_HUB_USERNAME>/myimage
// example
// docker tag binario200:v1 binario200/myimage

// push you image
docker push <YOUR_DOCKER_HUB_USERNAME>/myimage
//example
docker push binario200/myimage

Dockerfile

FROM ubuntu:latest
RUN apt-get update && apt-get install -y tree
RUN mkdir /mydir
ENV HOSTNAME mycontainer
WORKDIR  /mydir
CMD ["/bin/bash"]