marcofavorito / docker-examples

A collection of Docker examples, typical use cases and Dockerfiles

Docker examples

This repo is a collection of Docker examples, typical use cases and Dockerfile.

similar repos

• dockerfile-examples
• docker-curriculum
• docker-labs

other links

• docker guides
• docker samples

command examples

docker run hello-world

docker pull alpine
docker images

docker run alpine ls -l
docker run alpine echo "hello from alpine"

docker run alpine /bin/sh #does not work
docker run -it alpine /bin/sh #-t pseudo-TTY; -i keep stdin open

docker images
docker ps -a

docker stop 
docker rm
docker rm -f
sudo docker rm -f $(sudo docker ps -q)


# -d will create a container with the process detached from our terminal
# -P will publish all the exposed container ports to random ports on the Docker host
# -e is how you pass environment variables to the container
# --name allows you to specify a container name
# AUTHOR is the environment variable name and Your Name is the value that you can pass
docker run --name static-site -e AUTHOR="Your Name" -d -P dockersamples/static-site

docker port static-site

docker run --name static-site-2 -e AUTHOR="Your Name" -d -p 8888:80 dockersamples/static-site


# in a folder where there is a Dockerfile
docker build -t <YOUR_USERNAME>/myfirstapp .
docker run -p 8888:5000 --name myfirstapp YOUR_USERNAME/myfirstapp

# to push to Docker Cloud account
docker login
docker tag image username/repository:tag
docker push YOUR_USERNAME/myfirstapp


#misc	
docker exec -it <container-name> bash