Tarabica 2019 - Migration from ASP.NET MVC to ASP.NET Core

Tarabica 2019 - Migration from ASP.NET MVC to ASP.NET Core

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  tweet #tarabica19 Migration fromASP.NET MVC to ASP.NET Core Belgrade May 25th, 2019 Miroslav Popović Technical Lead, Seavus Group https://miroslavpopovic.com @miroslavpopovic
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  Sponzori Generalni sponzor Srebrnisponzori Tehnički sponzori tweet #tarabica19 Bronzani sponzor Partner konferencije
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  tweet #tarabica19 Introduction
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  A bit ofhistory • .NET Framework 1.0 • ASP.NET 1.0 • ASP.NET 2.0 • ASP.NET MVC • ASP.NET WebAPI • ASP.NET Core & .NET Core tweet #tarabica19
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  Why migrate? • Oldplatform, no longer improved • .NET Framework 4.8 is the last version • Performance is not that great • System.Web dependency • Windows only • Using it with containers is harder • Running multiple side-by-side installations is harder • Configuration is harder • Doesn’t play well with modern web tweet #tarabica19
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  Why not stay? tweet#tarabica19
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  ASP.NET Core benefits •Multiplatform • Open source for real • Performance • New configuration system • Easy to use with Docker tweet #tarabica19
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  ASP.NET Core benefits(cont.) • Side by side with another app on different .NET Core • Joined MVC and WebAPI • Excellent for REST APIs • Plays great with modern web tools • Part of the .NET future tweet #tarabica19
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  ASP.NET Core benefits(cont.) tweet #tarabica19
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  .NET Standard tweet #tarabica19
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  tweet #tarabica19 Migration fromASP.NET MVC
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  Migration process • Latestversion of .NET Framework (at least 4.6.2) • Analyze your solution with .NET Portability Analyzer • Migrate non-ASP.NET projects to .NET Standard • Create new ASP.NET Core 2.1+ (or 3.0) project • Migrate startup code and initialization • Migrate static files, configure bundles • Migrate views and actions tweet #tarabica19
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  Project organization tweet #tarabica19
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  Project files tweet #tarabica19
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  Middleware pipeline tweet #tarabica19
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  Startup tweet #tarabica19
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  Razor changes tweet #tarabica19
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  Tag helpers andclient libs tweet #tarabica19
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  Web Components • Dynamicnavigation menus • Tag cloud (where it queries the database) • Login panel • Shopping cart • Recently published articles • Sidebar content on a typical blog tweet #tarabica19
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  Web API • Samecontrollers as for MVC • Configuration in Startup • [ApiController] • ActionResult<T> • Swagger / Open API specification • HTTPS by default • API conventions • API analyzers tweet #tarabica19
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  tweet #tarabica19 Potential problems
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  .NET Core &.NET Standard • Not all APIs are migrated to Core • .NET Portability Analyzer • Registry access • WCF servers • AppDomain • Remoting tweet #tarabica19
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  Database access • Dependson DB library used • Direct ADO.NET access • Micro ORMs • NHibernate • Entity Framework tweet #tarabica19
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  Entity Framework Core •Different than EF6.x • Migrations • Still not feature-ready • Entity Framework 6.3 migrated to .NET Core 3.0 tweet #tarabica19
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  ASP.NET Identity • Databasechanges • View changes • Scaffolding tweet #tarabica19
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  tweet #tarabica19 Closing words
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  When not tomigrate? • ASP.NET Web Forms • ASP.NET MVC Web Forms • Missing APIs • Old dependencies • … • Rewriting parts of solution tweet #tarabica19
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  ASP.NET Core future •.NET Core 3.0 - September 2019. • Performance++ • Server-side Blazor • Endpoint routing improvements • SPA template improvements • … • Client-side Blazor tweet #tarabica19
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  Current performance tweet #tarabica19 ASP.NETCore: Saturating 10GbE at 7+ million request/s - https://bit.ly/2Gns2Dq
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  Future performance tweet #tarabica19 https://aka.ms/aspnet/benchmarks 6minutes, 64 connections, 120.000.000 requests
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  .NET 5! tweet #tarabica19
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  Are you convinced? •Performance, performance • Features • some free, some with additional work • Open-source • Modern web framework • Dockerizable • Future • … tweet #tarabica19
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  Guides and tools •Migration docs • https://docs.microsoft.com/en-us/aspnet/core/migration/proper-to-2x/?view=aspnetcore-2.2 • Should, When, and How Can I Migrate to .NET Core – Mitchel Sellers • https://mitchelsellers.com/blogs/2018/07/19/should-when-and-how-can-i-migrate-to-net-core • .NET Portability Analyzer • https://docs.microsoft.com/en-us/dotnet/standard/analyzers/portability-analyzer • https://github.com/Microsoft/dotnet-apiport • Migrate project files tool • https://github.com/hvanbakel/CsprojToVs2017 tweet #tarabica19
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  Thank you! Questions? https://miroslavpopovic.com @miroslavpopovic
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  Sponzori Generalni sponzor Srebrnisponzori Tehnički sponzori tweet #tarabica19 Bronzani sponzor Partner konferencije