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The art of Software Design
The document discusses the impact of agile methodologies on software design, emphasizing the importance of conscious design decisions rather than abandoning the design process altogether. It critiques the prevalence of CRUD applications and advocates for a focus on user journeys and effective domain modeling. The authors call for developers to remain mindful of biases and trade-offs in design, aligning design choices with business objectives.
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The art of Software Design
- 1. THE ART OF(SOFTWARE) DESIGN Jérémie GRODZISKI - Thomas PIERRAIN DDD Meetup - February 2017
- 2. HAS 'AGILE' KILLED DESIGNIN SOFTWARE?
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- 4. ’AGILE' WANTED TOKILL BIG UPFRONT DESIGN ONLY
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- 6. LACK OF DESIGN EMERGENTDESIGN ≠
- 7. DON'T THROW THE BABYWITH THE BATHWATER DON’T THROW THE DESIGN « BABY » WITH…
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- 12. EVERYONE IS MAKING DECISIONS… BUTWITH DIFFERENT IMPACTS
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- 18. PROBLEM SPACE Problem Usages Languages Domain Requirements Constraints People DOMAIN ( noun,do·main) Set of concepts That through usages Help to solve problems
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- 23. HEURISTICS? practical method notguaranteed to be optimal or perfect, but sufficient for the immediate goals.
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- 31. OUR USERS ARE TIREDOF C.R.U.D. APPLICATIONS
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- 33. THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 34. Create THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 35. Ctrl-C THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 36. Update THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 37. Ctrl-V THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 38. Create THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 39. Ctrl-V THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 40. Update THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 41. Ctrl-V THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 42. … THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 43. I’m doing all the job actually… THE C.R.U.D. BURDEN CRUD app #1 CRUD app #2 CRUD app #3
- 44. THE C.R.U.D. BURDEN CRUD app#1 CRUD app #2 CRUD app #3
- 45. Damn it! THE C.R.U.D. BURDEN CRUDapp #1 CRUD app #2 CRUD app #3
- 46. Damn I.T! THE C.R.U.D. BURDEN CRUDapp #1 CRUD app #2 CRUD app #3
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- 50. LAZINESS « Laziness is nothingmore than the habit of resting before you get tired. » (Jules Renard)
- 51. A DDD ALTERNATIVE? THE APPREALLY HELPS WITH A SPECIFIC & CONSISTANT USER JOURNEY
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- 58. WE MUST FOCUS MOREON THE BUSINESS CONCERNS!
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- 60. ALWAYS CONNECT YOUR DECISIONS TOYOUR BUSINESS OBJECTIVES
- 61. DESIGN IS THE ARTOF TRADE-OFF
- 62. design = f(requirements+ constraints)trade-off
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- 68. HEXAGONAL ARCHITECTURE DOMAIN CODE DO NOT MESS BUSINESSCODE INFRA CODE (infra later)
- 69. STANDARD SOFTWARE DESIGN (take allyour favorite heuristics with you ;-(
- 70. CONSCIOUS (SOFTWARE) DESIGN (take onlywhat you need for the usages/contraints)
- 71. CONSCIOUS (SOFTWARE) DESIGN USAGES FIRST- INFRA LATER HEXAGONAL ARCHITECTURE EXAMPLES & BEHAVIOURS (TESTS) DRIVEN EXPLICIT (AND BOUNDED) CONTEXTS
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- 73. DUPLICATION OF CODE AND DATA ATALMOST NO COST
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- 80. ALWAYS MAKE CONSCIOUS DECISIONS { Value| Constraint } (Banksy)
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- 87. THANK YOU! JOIN US@DDDREBOOT