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Prerequisites

• In order to use PostgreSQL, the admin user and password must be defined.

PostgreSQL Database Instead of the Default Derby Database

supports both Derby or PostgreSQL as platform databases. Derby is the default database and requires no preparations.

PostgreSQL

If you choose to use PostgreSQL as your platform database, you must install your own instance prior to deployment. 

For further information, see https://github.com/helm/charts/tree/master/stable/postgresql.

Configure to Use PostgreSQL

1. Change the db type to postgresql in the values.yaml file of the usage-engine-private-edition Helm chart:
   

   Code Block
   usage-engine-private-edition / values.yaml: db:     # derby or postgresql     type: postgresql     jdbcUser: mzadmin     jdbcPassword: mz

   
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2. Set the following values in the values.yaml file of the usage-engine-private-edition Helm chart:
   

   Code Block

   postgres: adminPassword: <admin password> #postgres superuser password, leave blank if platform is not allowed to create database and users adminUsername: <admin username> #postgres superuser, leave blank if platform is not allowed to create database and users mzownerPassword: <mzowner password> #Password to owner of all tables in postgres db: <name of database> #postgres DB name port: 5432 #postgres DB connection port host: <host name> #postgres DB hostnam

   
   

   Note
   title Note!
   The passwords In the values.yaml file: jdbcPassword, adminPassword and mzownerPassword need to be defined in clear text (and not encoded using base64) if they are going to be used. Consider using Bootstrapping System Certificates and Secrets - Private Cloud(3.0) instead.

   
   

PostgreSQL when admin user and password are not defined

The subsections describe the additional installation of PostgreSQL that is necessary when using PostgreSQL as a database and admin user and password are not defined.

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