1. Fill your environment variables from Stripe
2. Update the endpoints with your own callbacks
3. Click Load from JSON file and grab the schema file from pb_bootstrap/pb_schema.json
4. Start creating products

Go to the Github for a lot more detail: https://github.com/mrwyndham/pocketbase-stripe

Use a prebuilt next.js frontend if it takes your fancy by purchasing https://fastpocket.dev