# MongoDB Persistence

This service allows you to persist state updates using the MongoDB database. It supports writing information to a MongoDB document store, as well as querying from it.

# Configuration

This service can be configured in the file services/mongodb.cfg.

Property Default Required Description
url Yes connection URL to address MongoDB. For example, mongodb://localhost:27017
database Yes database name
collection Yes set collection to "" if it shall generate a collection per item

If you have a username and password it looks like this: url = mongodb://[username]:[password]@[localhost]:27017/[database] The database is required: http://mongodb.github.io/mongo-java-driver/3.9/javadoc/com/mongodb/MongoClientURI.html (opens new window)

All item and event related configuration is done in the file persistence/mongodb.persist.