DockerCLIalias

# ~/.bash_aliases

# Kill all running containers.
alias dockerkill='docker kill $(docker ps -a -q)'

# Delete all stopped containers.
alias dockercleanc='printf "\n>>> Deleting stopped containers\n\n" && docker rm $(docker ps -a -q)'

# Delete all untagged images.
alias dockercleani='printf "\n>>> Deleting untagged images\n\n" && docker rmi $(docker images -q -f dangling=true)'

# Delete all stopped containers and untagged images.
alias dockerclean='dockercleanc || true && dockercleani'

Dockerfile

# DOCKER-VERSION 1.2.0
FROM  centos:centos6

# Enable EPEL for Node.js
RUN   rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# Install Node.js and npm
RUN   yum install -y npm

# Creates a new folder on the container
VOLUME /src
# Copies everything from
# the host /src to the container's /src
COPY /src /src

# Installs dependencies
RUN cd /src; npm install

EXPOSE  8080
CMD ["node", "/src/app.js"]

Notes.md

In order to connect to a container, you have to find out the PID of the first process in the container.

docker inspect --format "{{ .State.Pid }}" <container-id>

With that PID you can connect to the container:

nsenter --target $PID --mount --uts --ipc --net --pid