I'm trying to use configmaps and secrets in Kubernetes to configure my business database connection for my task but I couldn't make it work.

I created a secret with my database password :

apiVersion: v1
kind: Secret
metadata:
  name: myapp-database-secret
  labels:
    app: myapp
data:
  myapp-db-password: mypwd-encrypted-in-base64

Then I updated the SCDF configmap to add my connection properties in application.yaml section :

  application.yaml: |-
    spring:
      cloud:
        dataflow:
          task:
            platform:
              kubernetes:
                accounts:
                  default:
                    limits:
                      memory: 1024Mi
                      cpu: 500m
      datasource:
        url: 'jdbc:mysql://${SCDF_MYSQL_SERVICE_HOST}:${SCDF_MYSQL_SERVICE_PORT}/dataflow'
        driverClassName: org.mariadb.jdbc.Driver
        username: root
        password: ${mysql-root-password}
        testOnBorrow: true
        validationQuery: "SELECT 1"
    myapp:
      datasource:
        url: 'jdbc:postgresql://myip:myport/mydb'
        driverClassName: org.postgresql.Driver
        username: myuser
        password: ${myapp-db-password}
        testOnBorrow: true
        validationQuery: "SELECT 1"

Then I updated the SCDF deployment yaml to use the secret with a volume (just like SCDF mysql) :

  volumes:
    - name: database
      secret:
        secretName: scdf-mysql
        defaultMode: 420
    - name: myapp
      secret:
        secretName: myapp-database-secret
        defaultMode: 420

and

      volumeMounts:
        - name: database
          readOnly: true
          mountPath: /etc/secrets/database
        - name: myapp
          readOnly: true
          mountPath: /etc/secrets/myapp

But it seems that something is missing because it's not working and I don't see my properties in the arguments when I launch the task. It looks like my updated configmap is not taking into account (even if I restart minikube)

Thank you for your help