今日推薦開源項目：《領導 awesome-leading-and-managing》
今日推薦英文原文：《What is DevOps and Why Do We Need It?》
今日推薦開源項目：《領導 awesome-leading-and-managing》傳送門：GitHub鏈接
推薦理由：幹得久了經驗多了，遲早有一天就會作為新手的領路人。這個項目就是一個關於領導和管理的資源集合——在你接觸這些之前可能想不到這玩意會涉及那麼多方面：時間管理、文化、建議……不管哪個方面都不是可以輕易無視的。 沒有人是天生的領袖，那些看起來像是天生領袖的人，只不過是作為領袖時比其他人更為了解這些方面，但不可否認的是，這的確很重要。
今日推薦英文原文：《What is DevOps and Why Do We Need It?》作者：Skywell Software
原文鏈接：https://medium.com/datadriveninvestor/what-is-devops-and-why-do-we-need-it-82c2ef0a9d3d
推薦理由：對於 DevOps 的介紹
What is DevOps and Why Do We Need It?
The DevOps methodology has been recognized by many experts as the best way to promote cooperation between development and operations teams. However, DevOps is much more than a methodology. It is more of a culture that makes both the technical and business sides of software development much more efficient thus reducing time to market and increasing the overall quality of the product. Before we get into why DevOps is important, let』s get the definition of it first.DevOps Definition
DevOps is an offspring of the Agile methodology that breaks down the barriers separating development and operations teams thus increasing collaboration between them. However, if you do not have the right culture in place, DevOps is just a buzzword. The following are some of DevOps culture:- Shared responsibility — In many companies, the development team is focused solely on creating the product and can become disinterest or even estranged operating and managing a system if it is somebody else』s job. If it is also part of the development team』s responsibility to monitor the system over the course of its existence, they are likely to feel the same pains operations teams are dealing with. This will lead to finding new ways of simplifying deployments and the maintenance by automating the deployments and better logging.
- Autonomous teams — Effective collaboration is only possible when development and operations teams can make decisions and changes independently without a complicated decision-making process. This includes trusting your teams, adjusting the way risks are managed and getting rid of an environment where employees are afraid of taking risks or failing.
- Removing all silos — Some companies document the process and hand this documentation over to another team and consider this to be regular cooperation. Such an arrangement is doomed from the start because it promotes a culture of finger pointing and blaming. You must adjust resourcing structures to let operations teams start collaborating with other teams early on. One of the goals of DevOps is to blur the line between development and operations team to the point where there may not be a difference between them at all.
The DevOps Lifecycle
There are many stages that make up the DevOps lifecycle, but the process will look like the following:- Plan — This stage includes initial planning about how you envision the development process
- Code — Coding the applications according to the requirements of the customer
- Build — Integrate all of the various codes you have written
- Releases — If the testing phase was successful, the application could go live
- Deploy — The code is deployed to a cloud environment for additional usage
- Operate — Conduct the operations on the code
- Monitor — Keep an eye on how well the app is performing and make any changes necessary to satisfy the client.
Why Do We Need DevOps?
DevOps offers a lot of benefits for software programming companies such as increased innovation speed which will allow you to serve your customers better. You will also be more flexible to adjust to changing market conditions and drive higher business results. Since the speed and tempo of the releases will be frequent, you will be able to improve your product faster. This way you can release new features sooner, notice and fix bugs quicker and perhaps most importantly, respond to customer demands better to give your business a competitive advantage. Continuous integration and delivery (CI/CD) are practices that automate the software release process starting from the build and all the way to deployment.Even though the pace of production will increase, it has to be done so reliably. You will be able to use CI/CD to test all of the changes, and better monitoring and logging will help you continuously stay on top of how well your application is doing in real-time. Security process will not be compromised since the compliance policies will be automated by using fine-grained controls and configuration management techniques.
Conclusion
If you are just embarking on your journey towards DevOps implementation, it is essential to set realistic goals expectations. While you may be eager to reap all the benefits of DevOps project management, your teams may experience culture shock, since they are used to the old siloed structure. It is not easy to change well-established processes, and it will take some time to implement on the people, process and information levels. This culture shock will usually come in the form of new goals. You cannot tell your teams, which are used to delivering one release a month, that they will need to have five releases every day from now on. This is simply not going to work.You need to have a more structured approach with the understanding that the release schedule might slow down at first as your teams become acquainted with the DevOps culture and methodologies. This will require a lot of education, training and some time to get used to all of the changes. As the transition is going on, it is important to set and monitor business critical metrics such as overall revenue and customer satisfaction. There is no point in having multiple releases just for the sake of having various releases. It must make an impact on the bottom line.
Given all of the benefits that DevOps offers it is safe to say that companies who fail to implement DevOps process risk falling behind. One of the most common misconceptions is that DevOps is just for large companies when in fact small and medium-sized business can take advantage of everything DevOps has to offer. In fact, one of the reasons that companies such as Facebook, Netflix, and other conglomerates were able to achieve such rapid growth is because they were early adopters of DevOps and were able to deliver new features to their user faster than the competition. Therefore, if you have not yet begun implementing DevOps, you are falling behind your competitors.
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