To run the frontend you need to provide some env variables in a .env.local or .env file:
NEXT_PUBLIC_SUPABASE_URL="supabase_url"
NEXT_PUBLIC_SUPABASE_ANON_KEY="secure key :p"
NEXT_PUBLIC_API_URL="server api url" The
NEXT_PUBLIC_API_URLrefers to the backend api service that allow the websockets conections for real-time messages