Stack deploy not working with volumes using kubernetes

[lvoliveira]

• I have tried with the latest version of my channel (Stable or Edge)
• I have uploaded Diagnostics
• Diagnostics ID: 30634BE8-24A6-4FBC-8F70-B76775566A07/20180727084919

Expected behavior

Stack deploy worked

Actual behavior

Stack.compose.docker.com "test-deploy" is invalid: test-deploy: Invalid value: "null": conversion to kube entities failed: W:\test\folder\web\static: only absolute paths can be specified in mount source

Information

• Windows Version: Windows 10 Pro (17134)
• Docker for Windows Version: 18.06.0-ce-win72 (19098) (channel: stable)

Steps to reproduce the behavior

1. docker stack deploy -c test.yaml test-deploy

test.yaml

version: '3.3'

services:
  web:
    build: web
    image: dockerdemos/lab-web
    volumes:
     - "./web/static:/static"
    ports:
     - "80:80"

  words:
    build: words
    image: dockerdemos/lab-words
    deploy:
      replicas: 5
      endpoint_mode: dnsrr
      resources:
        limits:
          memory: 16M
        reservations:
          memory: 16M

  db:
    build: db
    image: dockerdemos/lab-db

[docker-robott]

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[lvoliveira]

/lifecycle frozen

[Stijn98s]

I have the same problem, i have the latest stable versions.
Docker version 18.09.1, build 4c52b90

output of kubectl version:

Client Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.11", GitCommit:"637c7e288581ee40ab4ca210618a89a555b6e7e9", GitTreeState:"clean", BuildDate:"2018-11-26T14:38:32Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"windows/amd64"}
Server Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.11", GitCommit:"637c7e288581ee40ab4ca210618a89a555b6e7e9", GitTreeState:"clean", BuildDate:"2018-11-26T14:25:46Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}

[Stijn98s]

Fixing in docker/cli#966