I work alongside many agile teams. All these teams work toward building a Digital Platform that caters to millions of users. The digital platform hosts these services from our dev centre and various other geographically distributed teams. The guideline is to release a feature, if possible every day, or at least once in every sprint and no more than two sprints.
Every team aims to reduce the risk of damaging the platform. Every team must ensure that code correctly integrates with all other services on the platform. Just an assurance that the code builds correctly at all times and that passing the test case is not enough. Every team should provide a working version of the application in a specific environment to a particular stakeholder.
If I consider my team, before I can release, a working version:
- should be deployed in a development environment for the team,
- QA environment for other teams and QAs,
- staging environment, pre-production environment for Product Owners and Business stakeholders, and
- then finally on a Digital Platform or in a production environment.
Thus, I make sure that my team has enough confidence in the code that I am releasing at any stage of the release process. Everyone gets visibility of progress and features.
A CI server helps automate this release process and deploys the code in the required environment (even production). Few teams follow a manual trigger of building to the next environment. On the other hand, few teams schedule the pipelines with appropriate delays, providing enough time for stakeholders at each stage. And, no one is stopping the teams from manually triggering a few build stages while scheduling the rest of the build stages.
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