Create a .env file in the root dirctory and configure the below given values . There is also a env example file included in the src directory for further reference if needed.
// DATABASE CONFIG //
USER=YOUR DATABASE USERNAME
HOST=DATABASE HOST
DATABASE=DATABASE NAME
PASSWORD=DATABASE PASSWORD
DB_PORT=DATABASE PORT
COLUMN_NAME=DATABASE COLUMN NAME
// JENKINS CONFIG //
JENKINS_URL = JENKINS URL
JENKINS_USERNAME =JENKINS USERNAME
JENKINS_TOKEN =JENKINS TOKEN
JENKINS_JOBNAME =JENKINS JOBNAME
PORT=SERVER PORT eg 3000