feat: Add workers

Add workers to run side processes to an application.

charts/app/templates/workers.yaml

@@ -0,0 +1,70 @@
+{{- range $index, $worker :=  .Values.workers }}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "app.fullname" $ }}-{{ $worker.name }}
+  namespace: {{ $.Release.Namespace }}
+  annotations:
+    "deliverybot.io/secret-checksum": {{ toJson $.Values.secrets | sha256sum }}
+  labels:
+    app.kubernetes.io/component: {{ $worker.name }}
+{{ include "app.labels" $ | indent 4 }}
+spec:
+  replicas: {{ $worker.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/component: {{ $worker.name }}
+{{ include "app.matchLabels" $ | indent 6 }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/component: {{ $worker.name }}
+{{ include "app.matchLabels" $ | indent 8 }}
+    spec:
+    {{- with $.Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml $ | nindent 8 }}
+    {{- end }}
+      containers:
+        - name: {{ $.Chart.Name }}
+          image: "{{ $.Values.image.repository }}:{{ $.Values.image.tag }}"
+          imagePullPolicy: {{ $.Values.image.pullPolicy }}
+          command: {{ toJson $worker.command }}
+          args: {{ toJson $worker.args }}
+          envFrom:
+            - secretRef:
+                name: {{ include "app.fullname" $ }}
+        {{ with $.Values.env }}
+          env:
+            {{- toYaml . | nindent 12 }}
+        {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ $.Values.service.internalPort }}
+              protocol: TCP
+          {{ with $.Values.readinessProbe }}
+          readinessProbe:
+            {{- toYaml . | nindent 12 }}
+          {{- end -}}
+          {{- with $.Values.livenessProbe }}
+          livenessProbe:
+            {{- toYaml . | nindent 12 }}
+          {{- end -}}
+          {{- with $.Values.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+      {{- with $.Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with $.Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with $.Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+{{- end }}