Sounds like you already know what you need to know to host Ollama in a Docker container. Ollama is an LLM “engine” - you can interact with LLM models via a CLI or you can integrate them into other services via an API.
To have a web page chat like ChatGPT or others, I installed OpenWebU. I love it! A friend of mine likes LMStudio, which i think is a desktop app, but I don’t know anything about it.
I like Tesseract, but haven’t tried the others you mentioned so I can’t compare.