[stable/concourse] postgres refusing connection from web node

I am trying to setup the concourse in k8s using helm charts… while installing that web node running into CrashLoopBackOff…

kubernetes k logs concourse-web-7b464d65f8-wcxw5
{"timestamp":"2019-06-23T03:47:42.294675700Z","level":"info","source":"atc","message":"atc.cmd.start","data":{"session":"1"}}
{"timestamp":"2019-06-23T03:47:42.501647400Z","level":"info","source":"atc","message":"atc.cmd.finish","data":{"duration":190000,"session":"1"}}
failed to migrate database: 1 error occurred:
    * Migration '1521209088_drop_pipes.up.sql' failed: 2 errors occurred:
    * Transaction DROP TABLE pipes failed, rolled back the migration
    * pq: table "pipes" does not exist 
Events:
  Type     Reason                 Age                   From                         Message
  ----     ------                 ----                  ----                         -------
  Normal   Scheduled              37m                   default-scheduler            Successfully assigned concourse-web-7b464d65f8-wcxw5 to docker-for-desktop
  Normal   SuccessfulMountVolume  37m                   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "auth-keys"
  Normal   SuccessfulMountVolume  37m                   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "concourse-keys"
  Normal   SuccessfulMountVolume  37m                   kubelet, docker-for-desktop  MountVolume.SetUp succeeded for volume "concourse-web-token-2zj4j"
  Normal   Pulling                37m                   kubelet, docker-for-desktop  pulling image "concourse/concourse:5.3.0"
  Normal   Pulled                 34m                   kubelet, docker-for-desktop  Successfully pulled image "concourse/concourse:5.3.0"
  Normal   Started                34m                   kubelet, docker-for-desktop  Started container
  Warning  Unhealthy              33m (x10 over 34m)    kubelet, docker-for-desktop  Readiness probe failed: Get http://10.1.0.5:8080/api/v1/info: dial tcp 10.1.0.5:8080: connect: connection refused
  Normal   Killing                33m                   kubelet, docker-for-desktop  Killing container with id docker://concourse-web:Container failed liveness probe.. Container will be killed and recreated.
  Normal   Pulled                 33m                   kubelet, docker-for-desktop  Container image "concourse/concourse:5.3.0" already present on machine
  Normal   Created                33m (x2 over 34m)     kubelet, docker-for-desktop  Created container
  Warning  Unhealthy              32m (x9 over 34m)     kubelet, docker-for-desktop  Liveness probe failed: Get http://10.1.0.5:8080/api/v1/info: dial tcp 10.1.0.5:8080: connect: connection refused
  Warning  BackOff                116s (x140 over 31m)  kubelet, docker-for-desktop  Back-off restarting failed container

Any idea how to fix this problem ?