How to run each flow within its own virtual environment?

[matthewgdv]

The SubprocessFlowRunner described in the changelog for prefect 2.0a7 (prefect/RELEASE-NOTES.md at orion · PrefectHQ/prefect · GitHub) sounds like exactly what I’d want but I haven’t been able to find any documentation on how to actually use it.

Anyone had any luck with this before?

[anna_geller]

It got much easier now, check this:
https://discourse.prefect.io/t/how-to-run-my-deployment-in-a-virtual-environment-such-as-conda/1423/2

btw 2.0a7 is the alpha version, Prefect 2 is now generally available, so it’s best if you would use the latest version, which atm is 2.6.3

[anna_geller]

Related topic:

How to run my deployment in a virtual environment such as conda?

There are several ways how you can accomplish that. Run the agent directly in the virtual environment from which you want to execute the flow runs Assuming that your agent is already running in the virtual environment that has all required dependencies. In that case, you don’t need to do anything else on your infrastructure block or deployment - the default Process block will already work out of the box. Adjust the YAML file Another option is to adjust the YAML deployment file before apply…