Here's one if their tutorials using vLLM, and they have a few other guides and example repos as well.
https://modal.com/docs/guide/ex/vllm_inference
Alternatively, Runpod is fairly cheap and easy to get stuff running in a few minutes and can be point/click only using their templates.
https://www.runpod.io/console/gpu-secure-cloud?template=f1pf...
("serverless" example) https://github.com/ashleykleynhans/runpod-worker-oobabooga