Instead of RocksDB, you could use a database built in Go (to a better deploy):

• Bolt is a pure Go key/value store inspired by the LMDB project. Bolt currently works on Mac OS and Linux. Windows support is coming soon.

https://github.com/boltdb/bolt
https://godoc.org/github.com/boltdb/bolt

• Package kv implements a simple and easy to use persistent key/value (KV) store:

https://github.com/cznic/kv
http://godoc.org/github.com/cznic/kv