MicroFrontends — The Past, the Present, and the Future

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Micro Frontends: The Past, the Present, and the Future. @duffleit *and some of "Micro Frontends — The Bad Parts".

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David Leitner @duffleit Coding Architect ✉ david@squer.at 🐥 @duﬄeit

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@duffleit

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@duffleit WebBanking New Payment 💸 € 20, 00 👧 Lisa to David from Perform Payment Banking Monolith Backend Frontend

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@duffleit WebBanking New Payment 💸 € 20, 00 👧 Lisa to David from Perform Payment Payment Backend Frontend Finances Onboarding

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@duffleit WebBanking New Payment 💸 € 20, 00 👧 Lisa to David from Perform Payment Payment Backend Frontend Finances Onboarding

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity:

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity:

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: Veriﬁcation Service Customer Service Backend For Frontend

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@duffleit Persistence Logic Domain Logic Process Flow Presentation Backend For Frontend Domain Services

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@duffleit No Domain Logic in Backend For Frontends. It's about Ui-Speciﬁc Aggregation, to get rid of over-fetching and over-requesting. Bad Part #1

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity:

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: Integration?

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@duffleit Just well structure and don't mess up your monolith. 🚀 Links are still wonderful. 💯 Monorepo

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@duffleit WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity:

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@duffleit Just well structure and don't mess up your monolith. 🚀 Links are still wonderful. 💯 Monorepo

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@duffleit Just well structure and don't mess up your monolith. 🚀 Server Side Integration. Links are still wonderful. 💯

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@duffleit Server Side Integration Server Side Includes or Edge Side Includes

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@duffleit Server Side Integration dashboard.layout.html profile.layout.html landing.layout.html layout server Onboarding Service Finances Service HTML Fragments HTML Fragments

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@duffleit Just well structure and don't mess up your monolith. 🚀 Server Side Integration. Integrate it all on the client side. ✌

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: Iframes 👴 @duffleit Pure JS 😱 Web Components 😎

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MicroFrontend A MicroFrontend B MicroFrontend C What are the downsides? @duffleit Angular Angular Angular RxJS RxJS RxJS

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@duffleit Don't go for Micro Frontend only to fulﬁll your obsession with using the latest javascript frameworks out there. Bad Part #2

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MicroFrontend A MicroFrontend B MicroFrontend C What are the downsides? @duffleit Angular RxJS SystemJS

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MicroFrontend A MicroFrontend B MicroFrontend C Webpack Module Federation, FTW! @duffleit Angular v13 Angular v12 Angular v13

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MicroFrontend A MicroFrontend B MicroFrontend C Webpack Module Federation, FTW! @duffleit . Angular v12 Angular v13

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: This Integration Layer can become very complex. 🤯 @duffleit

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@duffleit Micro Frontends should allow us to enable fully verticalized teams not to be an interesting for your lead Frontend Engineer. Bad Part #3

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@duffleit Just well structure and don't mess up your monolith. 🚀 Server Side Integration. Integration it all on the client side. ✌ Complexity 💰

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Pure Server Side Integration, nor pure Client Side Integration is how we build WebApps today. @duffleit

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We embrace Progressive Enhancement. @duffleit

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: @duffleit @duffleit

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@duffleit

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@duffleit Again, Webpack Module Federation, FTW!

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WebBanking Payment Backend Frontend Finances Onboarding WebBanking € 20, 00 👧 Lisa to Perform Payment New Payment 💸 Latest Transactions: WebBanking Proof your Identity: @duffleit @duffleit

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tl/dr: Build Micro Frontends with Progressive Enhancement in mind. @duffleit so, probably build it on top of Webpack Module Federation.

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if you plan to build Micro Frontends @duffleit give me a call, I'd love to challenge that you really need them. & even more important:

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David Leitner @duffleit Coding Architect ✉ david@squer.at 🐥 @duﬄeit