add doc

Author: menardorama

README.md

@@ -61,7 +61,7 @@ The following environment variables are required to run the application:
 - `PDF_EXTRACT_IMAGES`: (Optional) A boolean value indicating whether to extract images from PDF files. Default value is "False".
 - `DEBUG_RAG_API`: (Optional) Set to "True" to show more verbose logging output in the server console, and to enable postgresql database routes
 - `CONSOLE_JSON`: (Optional) Set to "True" to log as json for Cloud Logging aggregations
-- `EMBEDDINGS_PROVIDER`: (Optional) either "openai", "bedrock", "azure", "huggingface", "huggingfacetei" or "ollama", where "huggingface" uses sentence_transformers; defaults to "openai"
+- `EMBEDDINGS_PROVIDER`: (Optional) either "openai", "bedrock", "azure", "huggingface", "huggingfacetei", "ollama" or "mistral", where "huggingface" uses sentence_transformers; defaults to "openai"
 - `EMBEDDINGS_MODEL`: (Optional) Set a valid embeddings model to use from the configured provider.
     - **Defaults**
     - openai: "text-embedding-3-small"
@@ -70,6 +70,7 @@ The following environment variables are required to run the application:
     - huggingfacetei: "http://huggingfacetei:3000". Hugging Face TEI uses model defined on TEI service launch.
     - ollama: "nomic-embed-text"
     - bedrock: "amazon.titan-embed-text-v1"
+    - mistral: "mistral-embed"
 - `RAG_AZURE_OPENAI_API_VERSION`: (Optional) Default is `2023-05-15`. The version of the Azure OpenAI API.
 - `RAG_AZURE_OPENAI_API_KEY`: (Optional) The API key for Azure OpenAI service.
     - Note: `AZURE_OPENAI_API_KEY` will work but `RAG_AZURE_OPENAI_API_KEY` will override it in order to not conflict with LibreChat setting.
@@ -83,6 +84,7 @@ The following environment variables are required to run the application:
 - `AWS_DEFAULT_REGION`: (Optional) defaults to `us-east-1`
 - `AWS_ACCESS_KEY_ID`: (Optional) needed for bedrock embeddings
 - `AWS_SECRET_ACCESS_KEY`: (Optional) needed for bedrock embeddings
+- `MISTRAL_API_KEY`: (Optional) needed for mistral embeddings
 
 Make sure to set these environment variables before running the application. You can set them in a `.env` file or as system environment variables.