Revert "Don't need our own image anymore"

This reverts commit 8074b5fa

.gitlab-ci.yml

+image: gcr.io/kaniko-project/executor:debug
+   
+stages:
+  - build-and-push
+   
+build-and-push-job:
+  stage: build-and-push
+  script:
+    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
+    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination $CI_REGISTRY_IMAGE:${CI_COMMIT_SHA:0:8} --destination $CI_REGISTRY_IMAGE:latest

Dockerfile

+FROM netboxcommunity/netbox:v2.8.8
+ENV NAPALM_USERNAME netbox-napalm
+
+RUN apk add git && pip3 install napalm

values.yaml

 image:
-  repository: netboxcommunity/netbox
-  tag: v2.8.8
+  repository: gitlab-registry.nautilus.optiputer.net/prp/netbox
+  tag: latest
 
 resources:
   limits:
@@ -20,4 +20,4 @@ nginx:
       memory: 128Mi
 
 persistence:
-  storageClass: "rook-block"
+  storageClass: "rook-block"
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