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docker jargonImage:
A Docker image is a read-only template. For example, an image could contain an Ubuntu operating system with Apache and your web application installed. Images are used to create Docker containers.
docker jargonContainer:
A Docker container holds everything that is needed for an application to run. Each container is created from a Docker image. Docker containers can be run, started, stopped, moved, and deleted. Each container is an isolated and secure application platform.
docker jargonRegistry:
Docker registries hold images. These are public or private stores from which you upload or download images.
Default registry -> https://hub.docker.com/
starting our very first container
> docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZEubuntu 14.04 91e54dfb1179 6 weeks ago 188.4 MB
Lucky third. application containers
> docker run -d -P training/webapp python app.py
2e32450e554a9f969af74e955b0639ea988436b14983dd26802800143ac8
Lucky third. application containers
> docker run -d -P training/webapp python app.py
2e32450e554a9f969af74e955b0639ea988436b14983dd26802800143ac8
Lucky third. application containers
> docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES2e32450e554a training/webapp "python app.py" 7 minutes ago Up 7 minutes 0.0.0.0:32772->5000/tcp hungry_khorana
A SIMPLE DOCKERFILEFROM centos:6.7MAINTAINER Javier Lopez <[email protected]>
EXPOSE 9324
ADD https://s3-eu-west-1.amazonaws.com/elasticmq-server-0.8.11.jar /usr/share/elasticmq-server-0.8.11.jarRUN yum install -y java-1.7.0-openjdk
CMD ["java", "-jar", "/usr/share/elasticmq-server-0.8.11.jar"]
publishing our image
> docker login
> docker push rightster/elasticmq:0.8.11 .
Create an account at http://hub.docker.com
LINKING CONTAINERS> docker run -d
--name my-db
-e MYSQL_ROOT_PASSWORD=my-secret-pw
mysql:5.5
> docker run -d -p 80
--name phpmyadmin
--link my-db:mysql
-e MYSQL_USERNAME=root
corbinu/docker-phpmyadmin
docker composemysql: image: mysql:5.5 environment: - MYSQL_ROOT_PASSWORD=my-secret-pwphpmyadmin: image: corbinu/docker-phpmyadmin environment: - MYSQL_USERNAME=root links: - mysql expose: - "80"
docker-compose.yml