Creating a Docker Application

cloud-config.yaml

#cloud-config

coreos:
  etcd:
    # generate a new token for each unique cluster from 
    # https://discovery.etcd.io/new
    discovery: https://discovery.etcd.io/f3b743dac73a950101567222fe38620e
    # multi-region and multi-cloud deployments need to use $public_ipv4
    addr: $private_ipv4:4001
    peer-addr: $private_ipv4:7001
  units:
    - name: etcd.service
      command: start
    - name: fleet.service
      command: start

steps.md

Install gcutil and register the credit card with GCE

Create a single machine, named core1

gcutil addinstance --image=projects/coreos-cloud/global/images/coreos-beta-353-0-0-v20140625 --persistent_boot_disk --zone=europe-west1-b --machine_type=f1-micro --metadata_from_file=user-data:cloud-config.yaml core1

Log into core1

gcutil ssh --ssh_user=core core1

Log into a docker container via tty

sudo docker run -t -i ubuntu:14.04 /bin/bash

Docker Cheat Sheet

• https://gist.github.com/wsargent/7049221
• https://docs.docker.com/reference/commandline/cli/

Get a complete history for a docker image

docker history --no-trunc ckan/solr