Copy .env.example to .env and update as necessary. Then:
# First:
# install dependencies
yarn install
# then:
# start dev server in watch mode
yarn dev
# or run a lighter version (don't actively scrape)
yarn dev:no-processors
# and you can:
# run tests
yarn test
# run tests in watch mode
yarn test:watch
# run e2e tests
yarn test:e2e
# generate migrations for schema changes
yarn migrations:generate
# apply migrations
yarn migrations:run