When the Sophosia app checks for update, it request this server using the endpoint

https://sophosia-update-server.uc.r.appspot.com/<target>/<current_version>

This server grabs the latest release in sophosia repo and determine if the new release has different version number than the current_version of the app. If version number is different, this server returns a list of update files for different platforms together with their download urls and signitures. Tauri will update itself according to the server response.

1. Prepare the flask project.
2. In app.yaml, add a line runtime: python310 to specify the python runtime.
3. Add requirements.txt and add necessary dependencies, gunicorn is needed to manage entry point.
4. In main.py, expose the app on host 0.0.0.0 and port 5000.

1. Create a project on Google Cloud Platform.
2. Add Cloud Build API.

1. Download and install Google Cloud SDK.
2. Initialize SDK and set our default project by doing

gcloud init

1. Add AppEngine to GCP

gcloud components install app-engine-python

2. Deploy

gcloud app deploy

3. Browse app

gcloud app browse

After finish updating the app, to redeploy the app we simply do deploy it again,

gcloud app deploy