Shulou(Shulou.com)06/02 Report--

Docker is an open source application container engine that packages applications and dependencies into a portable image, deploys to a server and runs in a container container instance.

Resource orchestration Docker-compose defines and runs an application system composed of multiple containers, declares each service through the docker-compose.yml file, and completes the creation and startup of the application as a whole.

Swarm is an official cluster management tool provided by Docker, which unifies the management of Docker nodes, takes service service as the scheduling unit, and supports dynamic expansion and other features.

Log is very important in the operation of the system, development, testing and operation and maintenance find the cause of the fault through system log analysis. Docker three Musketeers logs command:

Format log information with grep:

Docker-compose logs-ft | grep-- color-I-e error-e warn-e version-e exception

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