Microfrontends with WebPack and module federation

Michele Riva

Michele Riva

Senior Software Architect @NearForm

Google Developer Expert

Microsoft MVP

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Real-World Next.js

Build scalable, high performances and modern web applications using Next.js, the React framework for production

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There's no standard for microfrontends

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Microfrontends

Multiple separate builds should form a single application. These separate builds should not have dependencies between each other, so they can be developed and deployed individually.

WebPack documentation

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Module Federation

Multiple separate builds should form a single application. These separate builds should not have dependencies between each other, so they can be developed and deployed individually.

Module Federation
in a nutshell

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My homapage about doggos!

My article

Homepage

Article page

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My homapage about doggos!

My article

Homepage

Article page

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My homapage about doggos!

My article

New version

New version

Homepage

Article page

What's the problem with
that approach?

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It's slow and laborius

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Minimum steps required to make a change

  1. Identify the components you need to edit
  2. Enter the component library project
  3. Make some changes
  4. Ensure tests are passing/write new tests
  5. Run CI/CD
  6. Publish the package
  7. Go back to your project
  8. Update the package
  9. Update tests (if needed)

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What if you don't have the ownership of the component library?

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What if multiple apps depends on our components?

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Here's where module federation and microfrontends can really help

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Let's try a live demo

What about server-side rendering?

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What if the remote server goes down?

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Where are the types?

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You can expose almost everything via module federation, including types

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@MicheleRiva

@MicheleRivaCode

/in/MicheleRiva95

www.micheleriva.dev

Microfrontends with WebPack and module federation

By Michele Riva

Microfrontends with WebPack and module federation

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