Docker
Overview
Control and configure Docker with systemd
https://github.com/jpetazzo/nsenter
http://stackoverflow.com/questions/19234831/where-are-docker-images-stored-on-the-host-machine
https://docs.docker.com/engine/examples/mongodb/
https://docs.docker.com/engine/tutorials/dockerimages/
https://docs.docker.com/get-started/part2/
Quick
list local images
david@keres ~ $ docker images REPOSITORY TAG IMAGE ID CREATED SIZE mongo latest 7f09d45df511 3 weeks ago 336.1 MB centos 7 61b442687d68 7 months ago 196.6 MB david@keres ~ $
start an image
docker start 7f09d45df511 starts detached
results in a "container"
run a container:
docker run starts with stdin + stdout to you now ( attached , interactive )
list running instances
docker ps docker ps -a
quick local elastic search:
docker run -d \ -p 9200:9200 \ -e "http.host=0.0.0.0" \ -e "ES_JAVA_OPTS=-Xms512m -Xmx512m" \ -e "bootstrap_memory_lock=true" \ --ulimit memlock=-1:-1 \ -v ~/.data/:/usr/share/elasticsearch/data/ \ --name ES \ docker.elastic.co/elasticsearch/elasticsearch:5.4.1
Maintenance and CLean up
sudo docker system prune -a -f sudo docker rm -v $(sudo docker ps -a -q -f status=exited) sudo docker rmi -f $(sudo docker images -f "dangling=true" -q) docker volume ls -qf dangling=true | xargs -r docker volume rm
Public Registries
soem are btter htan others:
docker hub is the grandaddy https://hub.docker.com/
google has one with a half decent selection and interface: https://console.cloud.google.com/gcr/images/google-containers/GLOBAL
I defy you to find the aws one.
Further reading
https://south.readthedocs.io/en/latest/installation.html
https://docs.djangoproject.com/en/2.0/intro/tutorial01/
https://docs.docker.com/compose/gettingstarted/#step-2-create-a-dockerfile
https://rominirani.com/docker-tutorial-series-part-6-docker-private-registry-15d1fd899255
