fix: allow reset rag service chromadb (#1491)

README.md

@@ -34,7 +34,7 @@
 
 <https://github.com/user-attachments/assets/86140bfd-08b4-483d-a887-1b701d9e37dd>
 
-## Sponsorship
+## Sponsorship ❤️
 
 If you like this project, please consider supporting me on Patreon, as it helps me to continue maintaining and improving it:
 
@@ -657,7 +657,7 @@ Avante provides a RAG service, which is a tool for obtaining the required contex
 
 ```lua
 rag_service = {
-  enabled = false, -- Enables the RAG service, requires OPENAI_API_KEY to be set
+  enabled = false, -- Enables the RAG service
   host_mount = os.getenv("HOME"), -- Host mount path for the rag service
   provider = "openai", -- The provider to use for RAG service (e.g. openai or ollama)
   llm_model = "", -- The LLM model to use for RAG service
@@ -666,9 +666,14 @@ rag_service = {
 },
 ```
 
-Please note that since the RAG service uses OpenAI for embeddings, you must set `OPENAI_API_KEY` environment variable!
+If your rag_service provider is `openai`, then you need to set the `OPENAI_API_KEY` environment variable!
+
+If your rag_service provider is `ollama`, you need to set the endpoint to `http://localhost:11434` (note there is no `/v1` at the end) or any address of your own ollama server.
+
+If your rag_service provider is `ollama`, when `llm_model` is empty, it defaults to `llama3`, and when `embed_model` is empty, it defaults to `nomic-embed-text`. Please make sure these models are available in your ollama server.
 
 Additionally, RAG Service also depends on Docker! (For macOS users, OrbStack is recommended as a Docker alternative).
+
 `host_mount` is the path that will be mounted to the container, and the default is the home directory. The mount is required
 for the RAG service to access the files in the host machine. It is up to the user to decide if you want to mount the whole
 `/` directory, just the project directory, or the home directory. If you plan using avante and RAG event for projects
@@ -676,6 +681,8 @@ stored outside your home directory, you will need to set the `host_mount` to the
 
 The mount will be read only.
 
+After changing the rag_service configuration, you need to manually delete the rag_service container to ensure the new configuration is used: `docker rm -fv avante-rag-service`
+
 ## Web Search Engines
 
 Avante's tools include some web search engines, currently support: