github.com/iron-io/functions@v0.0.0-20180820112432-d59d7d1c40b2/docs/operating/databases/boltdb.md (about)

     1  # IronFunctions using BoltDB
     2  
     3  BoltDB is the default database, you just need to run the API.
     4  
     5  ## Persistent
     6  
     7  To keep it persistent, add a volume flag to the command:
     8  
     9  ```
    10  docker run --rm -it --privileged -v $PWD/bolt.db:/app/bolt.db -p 8080:8080 iron/functions
    11  ```