Kafka to Postgresql

The technical documentation of the kafka-to-postgresql microservice, which consumes messages from a Kafka broker and writes them in a PostgreSQL database.

Kubernetes resources

  • Deployment: united-manufacturing-hub-kafkatopostgresql
  • Secret: united-manufacturing-hub-kafkatopostgresql-certificates


You shouldn’t need to configure kafka-to-postgresql manually, as it’s configured automatically when the cluster is deployed. However, if you need to change the configuration, you can do it by editing the kafkatopostgresql section of the Helm chart values file.

Environment variables

Environment variables
Variable nameDescriptionTypeAllowed valuesDefault
DEBUG_ENABLE_FGTRACEEnables the use of the fgtrace library. Not recommended for productionstringtrue, falsefalse
DRY_RUNIf set to true, the microservice will not write to the databasebooltrue, falsefalse
KAFKA_BOOTSTRAP_SERVERURL of the Kafka broker used, port is requiredstringAnyunited-manufacturing-hub-kafka:9092
KAFKA_SSL_KEY_PASSWORDKey password to decode the SSL private keystringAny""
LOGGING_LEVELDefines which logging level is used, mostly relevant for developersstringPRODUCTION, DEVELOPMENTPRODUCTION
MEMORY_REQUESTMemory request for the message cachestringAny50Mi
MICROSERVICE_NAMEName of the microservice (used for tracing)stringAnyunited-manufacturing-hub-kafkatopostgresql
POSTGRES_DATABASEThe name of the PostgreSQL databasestringAnyfactoryinsight
POSTGRES_HOSTHostname of the PostgreSQL databasestringAnyunited-manufacturing-hub
POSTGRES_PASSWORDThe password to use for PostgreSQL connectionsstringAnychangeme
POSTGRES_SSLMODEIf set to true, the PostgreSQL connection will use SSLstringAnyrequire
POSTGRES_USERThe username to use for PostgreSQL connectionsstringAnyfactoryinsight