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Continuous Delivery (CD)

  • CD is set of capabilities to enable changes of all kinds (features, configuration changes, bug fixes, experiments) go into production “safely”, “quickly” and “suistanably”
  • Principles
    • Build quality in
      • Eliminate the need for mass inspection by building quality into the product in the first place
      • invest a culture supported by tools and people where issues can be detected quickly
      • issues should be fixed straight away when they’re cheap to detect and resolve
    • Work in small batches
      • split work in smaller chunks that deliver measurable business outcomes on a small part of the market
      • through feedback the course can be corrected
      • also a key goal is to change the economics of the software delivery process in order to minimize the cost of cost of changes
    • Computers perform repetitive tasks, people solve problems
      • take long repetitive work (testing, deployments) and invest in simplyfing and automating this work
      • this way “people” have more time for problem-solving work
    • Relentlessly pursue continuous improvement
      • high-performers are never satisfied
      • they make improvement part of their daily work and culture
    • Everyone is responsible
      • everyone involved in the software delivery process has to work together
  • In order to implement CD following foundations should be created
    • Comprehensive configuration management
      • build, test and deploy software fully in an automated manner from information stored in a version control system
      • any changes should be applied in the version control
  • Drivers
    • Version Control
    • Deployment Automation
    • Trunk-Based Development
    • Test Data Management
    • Shift Left on Security
    • Loosely Coupled
    • Empowered Teams
    • Monitoring
    • Proactive Notification
  • Patterns
    • https://continuousdelivery.com/implementing/patterns/

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