Fastify Backend and Fix prod deployment for Fastify

[MSghais]

• [ ] Fastify backend
• [ ] Deployment Fastify backend
• [ ] Fixed backend endpoints of indexer

@EjembiEmmanuel

[EjembiEmmanuel]

I am applying to this issue via OnlyDust platform.

My background and how it can be leveraged

Kindly assign

[onlydustapp[bot]]

The maintainer MSghais has assigned EjembiEmmanuel to this issue via OnlyDust Platform. Good luck!