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Sustainable Architectures with Angular, Monorepos and DDD @ngSpain

Sustainable Architectures with Angular, Monorepos and DDD @ngSpain

Manfred Steyer

October 20, 2019
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  1. @ManfredSteyer About me… • Manfred Steyer SOFTWAREarchitekt.at • Angular Trainings

    and Consultancy • Google Developer Expert (GDE) • Trusted Collaborator in the Angular Team Page ▪ 9 Manfred Steyer Public: Frankfurt, Munich, Vienna In-House: everywhere http://softwarearchitekt.at/workshops
  2. @ManfredSteyer Request Product Specify Order Approve Order Send Order Request

    Budget Approve Budget Budget Hierarchy Manager Manager Employee Expert Manager Buying Agent Product
  3. @ManfredSteyer Creating a Workspace npm install -g @angular/cli ng new

    workspace cd workspace ng generate app my-app ng generate lib my-lib ng serve --project my-app ng build --project my-app
  4. @ManfredSteyer Advantages Everyone uses the latest versions No version conflicts

    No burden with distributing libs Creating new libs: Adding folder Experience: Successfully used at Google, Facebook, …
  5. @ManfredSteyer Catalog Ordering Shared Feature Feature Feature Feature Feature UI

    UI UI UI UI UI UI UI UI Domain Domain Domain Domain Domain Domain Util Util Util Util Util Util Enterprise Monorepo Patterns, Nrwl 2018: https://tinyurl.com/y2jjxld7 @ManfredSteyer Shared Kernel (if really needed) & other libs Smart Comp. Dumb Comp.
  6. @ManfredSteyer Catalog Ordering Shared Feature API Feature Feature Feature Feature

    UI UI UI UI UI UI UI UI UI Domain Domain Domain Domain Domain Domain Util Util Util Util Util Util @ManfredSteyer
  7. @ManfredSteyer Catalog Ordering Shared Feature API Feature Feature Feature Feature

    UI UI UI UI UI UI UI UI UI Domain Domain Domain Domain Domain Domain Util Util Util Util Util Util @ManfredSteyer
  8. @ManfredSteyer Application Domain Infrastructure Isolate your domain! Domain Domain Infrastructure

    e. g. data access Application Use case specific facades, state management Entities, biz logic
  9. @ManfredSteyer Alternatives to layering • e. g. Hexagonal Architecture, Clean

    Architecture • Anyway: We need to restrict access b/w libraries
  10. @ManfredSteyer Finegrained Libraries • Unit of recompilation • Unit of

    retesting • Access restrictions • Prevent Cycles • Information Hiding • Future replacement for NgModules?
  11. @ManfredSteyer Summary Slicing into sub-domains Slicing into layers ng g

    lib instead of ng g module Relaxed layering Finegrained libraries Enforce restrictions
  12. @ManfredSteyer Contact and Downloads [mail] [email protected] [web] SOFTWAREarchitekt.at [twitter] ManfredSteyer

    d Slides & Examples Public: Frankfurt, Munich, Vienna In-House: everywhere http://softwarearchitekt.at/workshops