Simply run and test the built version locally first: flutter build web cd build/web python3 -m rver 8000 There is a simple solution to test if your application has this issue. For example, when loading an Image asset using the I work(.) function, the Flutter runtime locally doesn’t throw an error, but when hosting the built version, it does throw a 404.
We noticed that sometimes, the local Flutter runner has some extra tricks up its sleeve to keep your application running smoothly while the production build will not work as expected. We assume you have created a Flutter Web application locally that works when running it locally using flutter run -d chrome gcloud services enable gcloud services enable Testing your Flutter Web application locally 👀 If this setup was successful, it’s a good idea to enable some APIs for future usage. Gcloud init gcloud config set project MY_PROJECT gcloud config set region europe-west1 Setup the Google Cloud SDK for your machine.And if you’re a new GCP user, you get €300 in free credits. Hosting the Flutter Web application will most likely be free as Google’s free tier is quite large, but you’ll need the billing account to be able to use the components used in this post. We created a demo project with the name craftworkz-blog-flutter-demo Create a Google Cloud project with a descriptive name.If you have trouble with any of the following steps, you can find answers to most of your questions on Google’s Documentation pages and configure your project using the GCP Console. First, you’ll need a Google Cloud project to be able to deploy your application. Let’s dive in! Setting up your Google Cloud project 🤘🏼 Feel free to suggest updates there in the future or below this post. The source code and demo setup are also available as a public Github repository here. How to enable Cloud Build to automatically keep your deployment in sync with your codebase.Setting up an App Engine service, hosting your Flutter Web application.Essentially, manual deploys are out of the question. A fully automated CI/CD pipeline needs to be able to build and deploy our application upon each commit on the main branch of our repository. To be ready for production usage by our clients, an important requirement must be met by Flutter Web. The question now asks itself: “Why not fully switch to Flutter as we love it so much when building mobile apps and Flutter Web is now in GA?” We have already built a lot of web apps using a wide range of developer frameworks, most notably React and Angular. It’s beautifully powerful, developer-friendly, and has recently shed its mobile-oriented shell by going full cross-platform with the launch of Flutter 2 (and Flutter 2.2 has just been announced at Google I/O). In this blog, we will explain the deployment process to Google App Engine for a Flutter Web application, orchestrated by Google Cloud Build.
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