Absolute noob here to coding, recently taken up learning Kubernetes and Docker. I'm trying to push the sample Azure Voting App https://github.com/Azure-Samples/azure-voting-app-redis from my Gitlab account to my AKS cluster, but end up with the error " An image does not exist locally with the tag:" "ERROR: Job failed: exit code 1"

Trying to push this directly from Gitlab to AKS. I have the cluster configured properly, Helm Tiller and Gitlab-Runner installed and running

Detailed error:

Running with gitlab-runner 11.9.0-rc2 (227934c0)
  on docker-auto-scale 72989761
Using Docker executor with image registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image/master:stable ...
Starting service docker:stable-dind ...
Pulling docker image docker:stable-dind ...
Using docker image sha256:b90ec7b4590e2638ed18d0afff2467a5eea36947c69439a188ed67c3d47e2ef2 for docker:stable-dind ...
Waiting for services to be up and running...
Pulling docker image registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image/master:stable ...
Using docker image sha256:d9fd699083aa4fe3f4dbdfb1b82d9ec79481505a2c64625b73459b27401c3560 for registry.gitlab.com/gitlab-org/cluster-integration/auto-build-image/master:stable ...
Running on runner-72989761-project-11580529-concurrent-0 via runner-72989761-srm-1553931660-8fbe33d6...
Initialized empty Git repository in /builds/username/azure-voting-app-redis/.git/
Fetching changes...
Created fresh repository.
From https://gitlab.com/username/azure-voting-app-redis
 * [new branch]      master     -> origin/master
Checking out d5f5a8bd as master...

Skipping Git submodules setup
$ # Auto DevOps variables and functions # collapsed multi-line command
$ /build/build.sh
Logging to GitLab Container Registry with CI credentials...
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
Building Heroku-based application using gliderlabs/herokuish docker image...
Sending build context to Docker daemon  88.06kB

Step 1/10 : FROM gliderlabs/herokuish as builder
latest: Pulling from gliderlabs/herokuish
6cf436f81810: Pulling fs layer
987088a85b96: Pulling fs layer
b4624b3efe06: Pulling fs layer
d42beb8ded59: Pulling fs layer
ea3549156eeb: Pulling fs layer
823b9a26dccb: Pulling fs layer
9a09076638c5: Pulling fs layer
00983af1e278: Pulling fs layer
3373d1a5c8b8: Pulling fs layer
0ea1a1ab15e5: Pulling fs layer
61926fcdb5a5: Pulling fs layer
50b2a348b8ef: Pulling fs layer
0d8c2d103a66: Pulling fs layer
d42beb8ded59: Waiting
ea3549156eeb: Waiting
823b9a26dccb: Waiting
9a09076638c5: Waiting
00983af1e278: Waiting
3373d1a5c8b8: Waiting
0ea1a1ab15e5: Waiting
61926fcdb5a5: Waiting
50b2a348b8ef: Waiting
0d8c2d103a66: Waiting
987088a85b96: Verifying Checksum
987088a85b96: Download complete
b4624b3efe06: Verifying Checksum
b4624b3efe06: Download complete
6cf436f81810: Verifying Checksum
6cf436f81810: Download complete
ea3549156eeb: Verifying Checksum
ea3549156eeb: Download complete
d42beb8ded59: Verifying Checksum
d42beb8ded59: Download complete
9a09076638c5: Verifying Checksum
9a09076638c5: Download complete
3373d1a5c8b8: Verifying Checksum
3373d1a5c8b8: Download complete
823b9a26dccb: Verifying Checksum
823b9a26dccb: Download complete
0ea1a1ab15e5: Verifying Checksum
0ea1a1ab15e5: Download complete
50b2a348b8ef: Verifying Checksum
50b2a348b8ef: Download complete
00983af1e278: Verifying Checksum
00983af1e278: Download complete
61926fcdb5a5: Verifying Checksum
61926fcdb5a5: Download complete
0d8c2d103a66: Verifying Checksum
0d8c2d103a66: Download complete
6cf436f81810: Pull complete
987088a85b96: Pull complete
b4624b3efe06: Pull complete
d42beb8ded59: Pull complete
ea3549156eeb: Pull complete
823b9a26dccb: Pull complete
9a09076638c5: Pull complete
00983af1e278: Pull complete
3373d1a5c8b8: Pull complete
0ea1a1ab15e5: Pull complete
61926fcdb5a5: Pull complete
50b2a348b8ef: Pull complete
0d8c2d103a66: Pull complete
Digest: sha256:1de05c84afa3abf1df66efca6a928d33ea142cd564b31c7e33d09c8104d8534a
Status: Downloaded newer image for gliderlabs/herokuish:latest
 ---> b4081fb3902d
Step 2/10 : COPY . /tmp/app
 ---> bee1861a2af1
Step 3/10 : ARG BUILDPACK_URL
 ---> Running in 416cf916d6b4
Removing intermediate container 416cf916d6b4
 ---> a8aef0bf8060

Step 4/10 : RUN /bin/herokuish buildpack build
 **---> Running in afc833232bea
       -----> Unable to select a buildpack
The command '/bin/sh -c /bin/herokuish buildpack build' returned a non-zero code: 1
The push refers to repository [registry.gitlab.com/username/azure-voting-app-redis/master]
An image does not exist locally with the tag: registry.gitlab.com/username/azure-voting-app-redis/master
ERROR: Job failed: exit code 1**

Per the online quickstart guides, the app should be deployed and accessible, but I'm unsure what I'm doing wrong or missing here. I even have Docker installed and running locally on my laptop.

Any help or guidance would be much appreciated.