Application uses Postgres db for persistence.
One of the simplest ways to launch postgres locally is using the docker image:
docker run -p 5432:5432 --name XXX_NAME -e POSTGRES_PASSWORD=XXX_PWD -e POSTGRES_USER=XXX_USER -e POSTGRES_DB=XXX_DB -d postgres
Connection string must be properly updated within /src/Db/Query.hs
Application requires telegram bot access token.
You can register your bot and get its access token from BotFather https://t.me/BotFather
Access token must be properly updated within /src/TelegramBot.hs