/gist:2f33c6ccd683e702051f
Created Jan 9, 2015
Docker usage examples
| * http://docker.com | |
| * guides: https://docs.docker.com/installation/#installation | |
| * Docker hub: http://hub.docker.com | |
| # Useage of existiing images - jira example (all in one) | |
| * docker pull cptactionhank/atlassian-jira:latest # pull the image from docker hub | |
| * docker run -p 8080:8080 cptactionhank/atlassian-jira:latest # run's a container with a jira instance | |
| * http://docker-host:8080/ | |
| # Useage of existing images - wordpress example (db and webserver) | |
| * docker pull mysql # pull the image from docker hub | |
| * docker run --name some-mysql -e MYSQL_ROOT_PASSWORD=mysecretpassword -d mysql # runs an mysql container | |
| * docker pull wordpress # pull the image from docker hub | |
| * docker run --name some-wordpress --link some-mysql:mysql -e WORDPRESS_DB_PASSWORD=mysecretpassword -d wordpress # run's a container with wordpress instance | |
| * http://docker-host:8080/ | |
| # Rails with Docker - on_ruby example | |
| * git clone git@github.com:thomet/on_ruby.git branch: docker | |
| ** docker build -t on_ruby . # Builds the on_ruby docker image (see Dockerfile) | |
| ** docker pull postgres # pull the image from docker hub | |
| ** docker run --name my_db -e POSTGRES_USER=myuser -e POSTGRES_PASSWORD=mysecretpassword -d postgres # run's a container with postgress instance | |
| ** docker run --rm --link my_db:db -v ~/thomet-dev/on_ruby:/var/www -e DB_HOST=db -e DB_USERNAME=myuser -e DB_PASSWORD=mysecretpassword on_ruby rake db:setup # run's a container with the rake db:setup command and removes the container afther that | |
| ** docker run --name on_ruby --link my_db:db -v ~/thomet-dev/on_ruby:/var/www -e DB_HOST=db -e DB_USERNAME=myuser -e DB_PASSWORD=mysecretpassword -p 5000:5000 on_ruby foreman start # run's a container with on_ruby application | |
| ** open http://www.onruby.dev:5000 # don't forgott the www.onruby.dev entry in /etc/hosts in your host system (also leipzig.onruby.dev etc.) | |
| # Tools | |
| * fig: http://www.fig.sh | |
| * install on macos: brew install fig | |
| * in the on_ruby project: | |
| ** see fig.yml in project | |
| ** fig pull # pulls all images from docker hub | |
| ** fig run webserver rake db:setup # runs the rake db:setup for setup the database | |
| ** fig up # runs the application and database server | |
| ** http://www.onruby.dev:5000 | |
| * NSEnter: https://github.com/jpetazzo/nsenter | |
| ** how-to use with boot2docker: http://blog.sequenceiq.com/blog/2014/07/05/docker-debug-with-nsenter-on-boot2docker/ | |
| ** linux: nsenter onruby_webserver_1 | |
| ** mac: docker-enter onruby_webserver_1 |
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