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getting started with module federation

module federation is a feature introduced in webpack 5 that allows you to share code between different applications at runtime. this is particularly useful in micro-frontend architectures, where you want to build and deploy parts of a web application independently.

in this tutorial, we'll walk through the steps to set up module federation using two simple react applications. we'll create a host application that loads a remote application and displays its component.

prerequisites

basic understanding of javascript and react
node.js and npm installed on your machine

step 1: set up your projects

1. *create the host application*

open your terminal and run the following commands:



2. *create the remote application*

open a new terminal and run:



step 2: adding webpack and module federation plugin

we need to add webpack and the module federation plugin to both applications.

1. *install webpack and module federation plugin*

navigate to both `host-app` and `remote-app` directories and run:



2. *eject the create react app*

you need to eject your app to customize the webpack configuration. do this for both applications:



this will expose the webpack configuration files.

step 3: configure the remote application

1. *edit `webpack.config.js` in the `remote-app`*

add module federation configuration:



2. *create a button component*

create a new file `src/button.js` in the `remote-app` directory:



3. *update `src/index.js`*

ensure the `index.js` file is correctly set up:



step 4: configure the host application

1. *edit `webpack.config.js` in the `host-app`*

add module federation configuration:



2. *update `src/app.js`*

modify the `app.js` file in the `host-app` to use the remote button component:



step 5: run the applications

1. *start the remote application*

navigate to the `remote-app` directory and start the appli ...

#ModuleFederation #MicroFrontends #windows
module federation
micro frontends
webpack
shared dependencies
remote modules
dynamic imports
code splitting
application architecture
frontend development
versioning
load balancing
inter-application communication
performance optimization
cross-team collaboration
deployment strategies