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Open-Assistant REST Backend

Backend Development Setup

In root directory, run docker compose up backend-dev --build --attach-dependencies to start a database. The default settings are already configured to connect to the database at localhost:5432.

Python 3.10 is required. It is recommended to use pyenv which will recognise the .python-version in the project root directory.

Make sure you have all requirements installed. You can do this by running pip install -r requirements.txt inside the backend folder and pip install -e . inside the oasst-shared folder. Then, run the backend using the run-local.sh script inside the scripts folder. This will start the backend server at http://localhost:8080.

REST Server Configuration

Please either use environment variables or create a .env file in the backend root directory (in which this readme file is located) to specify the DATABASE_URI.

Example contents of a .env file for the backend:

DATABASE_URI="postgresql://<username>:<password>@<host>/<database_name>"
BACKEND_CORS_ORIGINS=["http://localhost", "http://localhost:4200", "http://localhost:3000", "http://localhost:8080", "https://localhost", "https://localhost:4200", "https://localhost:3000", "https://localhost:8080", "http://dev.oasst.laion.ai", "https://stag.oasst.laion.ai", "https://oasst.laion.ai"]
REDIS_HOST=localhost
REDIS_PORT=6379

Running the REST Server locally for development

Have a look into the main README.md file for more information on how to set up the backend for development. Use the scripts within the scripts/backend-development folder to run the BE API locally.

Alembic

To create an Alembic database migration script after sql-models were modified run alembic revision --autogenerate -m "..." ("..." is what you did) in the /backend directory. Then edit the newly created file. See here for more information.