Edit

Chroma

Prerequisite

You need a Chroma server. You can:

  1. Install Chroma CLI and run the server using chroma run

  2. Sign up for Chroma Cloud.

  3. Deploy your own Chroma instance in Docker.

Setup

Input
Description
Default
Cloud

Document

Can be connected with nodes from Document Loader

Embeddings

Can be connected with nodes from Embeddings

Collection Name

Chroma collection name. Refer to here for naming convention

Chroma URL

Specify the URL of your chroma instance

http://localhost:8000

https://api.trychroma.com:8000

For Chroma Cloud, you will need to get your tenant ID, and create your database and API key.

Additional

If you are running both Flowise and Chroma on Docker, there are additional steps involved.

  1. Spin up Chroma docker first

docker compose up -d --build

  1. Open docker-compose.yml in Flowise

cd Flowise && cd docker

  1. Modify the file to:

version: '3.1'

services:
    flowise:
        image: flowiseai/flowise
        restart: always
        environment:
            - PORT=${PORT}
            - DEBUG=${DEBUG}
            - DATABASE_PATH=${DATABASE_PATH}
            - SECRETKEY_PATH=${SECRETKEY_PATH}
            - FLOWISE_SECRETKEY_OVERWRITE=${FLOWISE_SECRETKEY_OVERWRITE}
            - LOG_PATH=${LOG_PATH}
            - LOG_LEVEL=${LOG_LEVEL}
            - EXECUTION_MODE=${EXECUTION_MODE}
        ports:
            - '${PORT}:${PORT}'
        volumes:
            - ~/.flowise:/root/.flowise
        networks:
            - flowise_net
        command: /bin/sh -c "sleep 3; flowise start"
networks:
    flowise_net:
        name: chroma_net
        external: true

  1. Spin up Flowise docker image

docker compose up -d

  1. On the Chroma URL, for Windows and MacOS Operating Systems specify http://host.docker.internal:8000. For Linux based systems the default docker gateway should be used since host.docker.internal is not available: http://172.17.0.1:8000

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