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While this lets us write slightly better tests, I don't think it's worth the extra complexity. For example, it interferes with the creation of test databases. We could work around this, but I'd rather keep things simple.
Working on the new api
Connecting to local database
The api uses the ORM Prisma and it needs the MongoDB instance to be a replica set.
Atlas
If you use MongoDB Atlas, the set is managed for you.
Local
The simplest way to run a replica set locally is to use the docker-compose file in /tools.
cd tools
docker compose up -d
Once that's running, update the connection string in the .env file to use port 27018.
# Database
MONGOHQ_URL=mongodb://127.0.0.1:27018/freecodecamp?directConnection=true
The new db will be empty, so you can run the seed script to populate it.
cd ../.. # back to the root of the repo
pnpm seed
Login in development/testing
During development and testing, the api exposes the endpoint GET auth/dev-callback. Calling this will log you in as the user with the email foo@bar.com by setting the session cookie for that user.