# Backend To run the Flask server, follow these steps: 1. Build and activate the virtual environment, install the required dependencies, and build the gui by running make with the default target: ```bash make ``` 2. Run the server using the provided script: ```bash ./run.sh ``` Now, visit `http://127.0.0.1:5000` in your web browser to see the application in action. # Frontend Frontend uses flutter. For Ubuntu you can use [this guideline](https://ubuntu.com/blog/getting-started-with-flutter-on-ubuntu) to install it. ## Configuration You can set the backend URL for Android and native builds using the environment variable `BACKEND_URL`. Make sure to set this variable before running the application. Defaults to `null` if nothing is set.