Helm chart

helm/Chart.yaml

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+apiVersion: v2
+appVersion: 1.0.0
+description: A Helm chart for Kubernetes
+name: polaris-slack
+type: application
+version: 1.0.0

helm/README.md

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+# polaris-slack helm chart
+
+- build docker image
+- push to your docker repo
+- use this helm chart to create cronjob in Kubernetes cluster (tested with EKS and ArgoCD)
+- change main needed parameters in values.yaml ( better overwrite via ArgoCD UI parameters, ** not recommended to keep sensitive info in github repo ** )
+
+

helm/templates/cronjob.yaml

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+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: polaris-slack
+  namespace: default                                                # Namespace where the CronJob is created
+spec:
+  concurrencyPolicy: Forbid                                          # Forbid, Replace, Allow
+  failedJobsHistoryLimit: 1                                            # Number of failed jobs to keep
+  jobTemplate:
+    metadata:
+      name: polaris-slack
+    spec:
+      template:
+        metadata:
+        spec:
+          containers:
+          - image: "{{ .Values.image.registry }}:{{ .Values.image.tag }}"                                    # Image to be used for the job
+            env:
+            - name: POLARIS_URL
+              value: {{ .Values.url }}                   # URL of the Polaris API endpoint
+            - name: POLARIS_TOKEN
+              value: {{ .Values.token}}                # Token to authenticate with the Polaris API
+            - name: SLACK_WEBHOOK_URL
+              value: {{ .Values.webhook }}         # URL of the Slack webhook
+            imagePullPolicy: IfNotPresent
+            name: polaris-slack
+            resources:
+              requests:
+                memory: {{ .Values.resources.requests.memory }}
+                cpu: {{ .Values.resources.requests.cpu }}
+              limits:
+                memory: {{ .Values.resources.limits.memory }}
+                cpu: {{ .Values.resources.limits.cpu }}
+            terminationMessagePath: /dev/termination-log
+            terminationMessagePolicy: File
+          dnsPolicy: ClusterFirst
+          restartPolicy: Never
+          schedulerName: default-scheduler
+          securityContext:
+            runAsNonRoot: true
+            runAsUser: 1000
+  schedule: {{ .Values.cron.schedule }}
+  successfulJobsHistoryLimit: 0                                        # Number of successful jobs to keep
+  suspend: false
+status: {}

helm/values.yaml

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+image:
+  registry: "docker.registry"
+  tag: "latest"
+
+url: "https://www.example.com"
+token: "token"
+webhook: "https://www.example.com"
+
+resources:
+  limits:
+    cpu: 100m
+    memory: 128Mi
+  requests:
+    cpu: 100m
+    memory: 128Mi
+
+cron:
+  schedule: "0 10 * * 5"                              # Schedule for the CronJob every Friday at 10:00 AM