24. WHY MAY YOU NEED PAAS?
• A LOT OF PROJECTS
• SERVICE-ORIENTED ARCHITECTURE
• A LOT OF TESTING ENVIRONMENTS
• CONTINUOUS DEPLOYMENT
• SCALABILITY
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27. THE TWELVE-FACTOR APP
• DECLARATIVE FORMAT FOR SETUP AUTOMATION
• CLEAN CONTRACT WITH UNDERLYING OS
• SUITABLE FOR DEPLOYMENT ON MODERN CLOUD PLATFORMS
• MINIMIZE DIVERGENCE BETWEEN DEV AND PROD
• CAN SCALE UP WITHOUT SIGNIFICANT CHANGES TO TOOLING
OR ARCHITECTURE
http://12fact2o7 r.net
28. 1. CODEBASE
One codebase tracked in revision control, many deploys
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