1. Create a configmap (or a secret)

key: pg.env

value:

DATASOURCES=TESTDB_POSTGRESQL
TESTDB_POSTGRESQL_PASSWORD=testpwd
TESTDB_POSTGRESQL_DATABASE=testdb
TESTDB_POSTGRESQL_USERNAME=testuser
TESTDB_POSTGRESQL_DRIVER=postgresql
TESTDB_POSTGRESQL_XA_CONNECTION_PROPERTY_DatabaseName=${TESTDB_POSTGRESQL_DATABASE}
TESTDB_POSTGRESQL_XA_CONNECTION_PROPERTY_PortNumber=${TESTDB_POSTGRESQL_SERVICE_PORT}
TESTDB_POSTGRESQL_XA_CONNECTION_PROPERTY_ServerName=${TESTDB_POSTGRESQL_SERVICE_HOST}

2. add the configmap to the EAP deployment as a mount to

/etc/envfiles

3. add

ENV_FILES=/etc/envfiles/pg.env

env to the EAP deployment environment