1. What is a container
Applications where the container is located, the system environment, the combination of code and resource-dependent, for example, inside the container there tomcat, Java, mysql the like, inside the container barrier inconsistent application or environment, but with different operating systems share a container;
2. What is the docker
docker is a tool for managing container, and formed a set of standards; he realized the container code, and depends called environmental package, and where to put this package can run.
Part of 3.docker
Image (Image): Use AUFS type hierarchy of the file system, that is a mirror image by a plurality of superimposed image is read-only;
The container (Container): increase in the base image on the writable layer, examples of the container corresponds to mirror;
Warehouse (Repository): a place to store the mirror, the biggest public warehouse Docker Hub, store a huge number of images available for users to download. Domestic public warehouse includes Docker Pool etc., can provide a more stable mainland users quick access.
Registry: registration server for managing warehouse mirror, played the role of the server. Repository: Mirror repository for storing specific image docker, play the role of a storage warehouse.
4.docker commonly used commands
docker images: the host View Mirror
docker ps: see the running of the vessel;
docker ps -a: View all containers
and many more
4. Arrangement docker-compose the container
In order to handle large-scale deployment of container.
5.dockerfile
For constructing a custom image.
More than purely personal understanding, not responsible for the authenticity