Unfortunately, such a situation can confuses webpack Module Federation when trying to auto-detect the needed versions of peer dependencies. Is there prior art in the Webpack domain that I'm missing that would be applicable? Give feedback. Module Federation allows a JavaScript application to dynamically load code from another application and in the process, share dependencies. Luckily Webpack Module Federation supports dynamically defining URLs for our remote applications. Module Federation Access/Security Hi, I haven't seen much discussion related to security and access considerations when using Module Federation, so I thought I'd start one here. This way, if the contents of the folder change, then the version does as well. tenable-io/common/component.js) and even specific files (tenable-io/component/component1.js). Aegis core lib. In this instance, App A and B will use their own versions within each of their bundles. So with your one purchase you are buying a whole year of updates. IBM Security Access Manager provides a Federation Module so that collaborating organizations can gain secure access to each other's applications. With Module Federation you can import remote Webpack builds to your application. In the first update, the presentation portion of this library is updated. To demonstrate why this was a bad idea, well walk through each of these import types: starting from the most global in nature (importing the main index file) and moving towards the most granular (importing a specific file). At this point the code is not shared in any way and each application simply pulls the library code from its own bundle. Since version 12, the Angular CLI uses webpack 5. For our custom libraries, we dont have this concept (though you could technically introduce something like that if you wanted). Went looking for this reddit because I want to introduce module federation to my company. As an example scenario: say you have a long living host with remote components on it, and other hosts consume from it. I could consume your code at any point regardless of if its a federated module. For us, this was evident in our application early on and it was not until we did a thorough performance analysis that we discovered the culprit. This was a relic from our initial architecture and essentially housed . This is an easy way to ensure that as new paths are added to your libraries, they are automatically picked up by webpack: How does webpack currently treat this library code? Press question mark to learn the rest of the keyboard shortcuts. This indicates that we are now sharing the code from @microfrontend-demo/design-system/components between the micro-apps. This was a relic from our initial architecture and essentially housed all the shared code that our various applications used. Module Federation in Angular. The setting requiredVersion: 'auto' is a little extra provided by the @angular-architects/module-federation plugin. In the last article we focused on sharing vendor code. However, only App B gets deployed to production with the new code. . ModuleFederationPlugin This is what enables module federation. To demonstrate this, lets say that weve made a change to the way state is getting stored and accessed. Limitations This can be interesting to improve an application's startup performance, when there are lots of shared dependencies. In this instance, once our applications get out of sync on production (i.e. Went looking for this reddit because I want to introduce module federation to my company. As your application grows, so does the amount of code you share. Webpack Module Federation is actually solving all these issues in a much more elegant way. The helper function share used in this generated configuration replaces the value 'auto' with the version found in your package.json. Typescript support for module federated apps Project Status This project is now moved to module-federation/nextjs-mf. Any other thoughts along these lines? As discussed in the previous article, sharing code is critical to using module federation successfully. Webpack 5 Module Federation aims to solve the sharing of modules in a distributed system, by shipping those critical shared pieces as macro or as micro as you would like. For some applications, going granular is an ideal solution and leads to the best performance in your application. This is the system I want module federation to replace, but I do have a big question - is there a way to prevent 3rd party applications from loading modals they shouldn't? Otherwise, if its the only micro-app using that library, it will simply bundle a version of that library within itself (ex. To demonstrate sharing libraries, were going to focus on Test Component 1 that is imported by the Host and Application 1: This particular component lives in the design-system/components workspace: We leverage the tsconfig.base.json file to build out our aliases dynamically based on the component paths defined in that file. When App B is loaded in its going to do the same thing. It looks up the used version in your package.json. This powerful orchestration micro-frontend architecture will make it easier for organizations to decouple their applications and share across teams. Right now, my company has an ecosystem set up where multiple Angular SPAs are deployed under a common domain. With federated access, you have a secure, seamless sign-on experience to external applications, helping to eliminate the need for providing multiple user IDs and passwords. This key data is just several strings, hence you can load it from literally everywhere. Webpack 5 Module Federation aims to solve the sharing of modules in a distributed system, by shipping those critical shared pieces as macro or as micro as you would like. For example, lets say we have a notifications library shared between the micro-apps. This plugin essentially reproduces the functionality of Webpack's ContainerReferencePlugin and OverridablesPlugin. only importing from the index of tenable-io/common), we opted to expose every single file in this directory and shared it via module federation. Now, you can have these chunks (Webpack builds) from a different origin, which means, a different project! When these micro-apps are built, they each contain a version of that library within their build artifact. Dynamic Remotes in Webpack Module Federation. Learn how Tenable finds new vulnerabilities and writes the software to help you find them, Breaking down the OSI model by buying pizza, Bluzelle Development Update + Launch of Developer Bounty, Solving Popular Algorithms: Balancing Strings, How to write a program that prints itself, #FeatureWeek#AYearInReviewPart 4 Q4 2019, How to Setup Kubernetes Cluster with Microk8s, Module Federation Managing Your Micro-Apps. It does this by pulling them out of the the build pipeline and out of your apps. Thank you so much for pointing this out to me. ModuleFederationPlugin combines ContainerPlugin and ContainerReferencePlugin. Note: We are once again leveraging the tsconfig.base.json to dynamically build out the libs that should be shared. E.g. Module Federation allows to directly bundle shared dependencies into your app's bundles. Webpack today is not just a tool for building client-side applications, it can be targeted to multiple environments like Node.js or Electron. Installation $ npm i @module-federation/typescript Usage If we were to investigate the network traffic before sharing anything, we would see that the code for this component is embedded in two separate files specific to both Host and Application 1 (the code specific to Host is shown below as an example). A Rollup plugin which enables consumption of Federated Modules. Before You Proceed: The remainder of this article is very technical in nature and is geared towards engineers who wish to learn more about sharing custom library code between your micro-apps. As we soon discovered, most of our bugs/issues resulting from this new architecture came as a result of updating one of these areas (state, theme, storage) and allowing the micro-apps to deploy at their own pace. Can you see the problem? If SPA A wants to utilize another SPA's (SPA B) modal for whatever, the system in place relies on opening a browser-sized iframe to SPA B where the modal is displayed. Also plugin comes along with webpack library without need of installing another dependency as well. Give feedback. Extended protection for authentication is a feature that mitigates against man in the middle (MITM) attacks and is enabled by default with AD FS. module-federation/node module-federation/utilities module-federation/typescript Generate an application Run nx g @nrwl/next:app my-app to generate an application. However, when it comes to things like state (Redux for us), storage (window.storage, document.cookies, etc.) Now, we want to take those same principles and apply them to the custom library code we have living in the libs directory. This was the purpose of the serve script shown above, i.e. Instead, you want to import each individual component. That's just how the web works. Dynamic Remote Containers: docs. Beta Before You Proceed: If you wish to see the code associated with the following section, you can check it out in this branch. It does this by pulling them out of the the build pipeline and out of your apps. You can could use startup code to override the "init" and or "get" method on the container and do some auth logic there when initializing or retrieving a module: https://gist.github.com/jacob-ebey/23aee3036c0c0c78a0b9369a5d8286ff, this is exactly what I was looking for! Hybrid Sharing Leads To Bloat When we first started using module federation, we had a library called tenable.io/common. In short, each parts of the application can come with their own libraries, that will be made available . Right now, my company has an ecosystem set up where multiple Angular SPAs are deployed under a common domain. Enterprise security and module federation. As it comes with respective schematics, you can easily ng add it to your CLI workspace: This test ensures that communication between the local Exchange server and the Microsoft Federation Gateway is working correctly. Let services deploy themselves. Were now going to update the shared property of the ModuleFederationPlugin to include these custom libraries. Without module federation your clients also can load your code, no security problems here, anyway if you want to do it more security, you should setup this on server level. Explore the source of a simple blog that utilizes the ContainerReferencePlugin to reference federated components from this website. As an example scenario: say you have . You can use any of the plugins above to generate applications as well. As shown below, at times we imported from the main index file of tenable-io/common (tenable-io/common.js), but in other instances we imported from sub directories (ex. Eliminate the need for deployment automation. Furthermore, only one version gets loaded by the Host application (port 3000). We now have bloat in our system that causes the customer to pull down more javascript than necessary. At a certain point, it becomes a performance issue when each application pulls in its own unique library code. It walks you through everything you need to do to start with Module Federation. As shown in the diagram below, when App A is loaded in, it pulls down all the libraries shown. If SPA A wants to utilize another SPA's (SPA B) modal for whatever, the system in place relies on opening a browser-sized iframe to SPA B where the modal is displayed. if (!await doModuleAuth(modId)) throw new Error("Not authorized"); You signed in with another tab or window. If you wish to see the code associated with the following section, you can check it out in this branch. We'll discuss some of the sub properties below. Start by creating a new project folder with the following package.json to allow us to run our two SPAs at the same time: For example say we're trying to make a system of paid plugins that are able to be installed on an instance, and the plugins are federated (so are long living for any instance to use), but you should only have plugins if you have a particular license. To activate it, we need a custom builder that, e. g. ships with the community solution @angular-architects / module-federation. Currently, when we import one of the test components, it comes from the index file shown below. I'll be doing my own thought process on this since it's a domain-specific concern regardless but I was just curious to ask the question to the community as I'm still figuring out what webpack does inherently.
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