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Original link address: "actual combat" open source project dockerization operation and maintenance deployment (final) (11)

The earliest system was deployed to its own server with virtual IP to complete hot backup. About 2013, when the company's server was upgraded to the cloud and placed on Aliyun, Aliyun could not complete hot backup without virtual ip,keepalived. The load of more than a dozen machines can only be completed through nginx. There are also times when nginx hung up. In 2014, I met a big brother in the interview and suggested contacting docker. So build their own virtual network, learning so far, found that docker-swarm is convenient and really want to hot backup can be hot backup. Through the virtual network of docker-swarm-net, multiple machines are easily interconnected, and the container is hung up and automatically restarted. If you know that Docker can be used this way, you will fall in love with Docker completely!

The perception of docker

An old man asked me to buy a computer thinkpad or mac. I strongly recommend using mac, installing a docker environment, and installing various containers at any time to facilitate my own use. I write shell by myself. Meizi is much happier than windows10. I am much happier with the update. 100g C disk will be gone in a few days.

This time mainly to do the front and rear separation of the project, the advanced album is about the micro-service project choreography really need? Is there no arrangement without service choreography? Buddy, look at your personal needs, there is no best, only the most suitable. Docker is too easy, standing in other people's image to move their own bricks good portability, you make a good image into a package, to other environments to continue to execute the application Docker, you are not only distributing your code, but also distributing the environment in which your code runs using Docker's logo to explain whales and containers, big brother whales in fish, slowly carrying containers. The disaster tolerance of the service is good, hang up the automatic restart, restart is just a point of the ancients: tolerance is big. Right? the container is docker. In the future, Docker containers are used in the development, testing, compilation, building, deployment and running of applications, and service orchestration is used to manage container clusters.

PS: there are so many benefits that there is no need to summarize 10 points. Life is more than life, learning is constant! The author, A Ming, because he also needs to work, very few people use docker in his current work, and he uses his off-duty time to learn and share. Interest makes me fall in love with docker! Will continue this road, after all, is also a development, work encountered in the new technology will also continue to share with the old iron, thank you for your support. Docker's album will not stop, it will continue to do so. I haven't had enough of K8s! Next time, the current goal is for python crawlers to use docker technology. No Maotai! It's too late to shake hands! Bye-bye!

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