🎉 initial commit

k8s/handheld-devices/Chart.yaml

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+apiVersion: v2
+name: handheld-devices
+description: Handheld Devices microservices - API, worker, frontend
+type: application
+version: 0.1.0
+appVersion: "0.1.0"

k8s/handheld-devices/templates/api-deployment.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: api
+  labels:
+    app: api
+spec:
+  ports:
+    - port: {{ .Values.api.service.port }}
+      targetPort: {{ .Values.api.service.port }}
+      name: http
+  selector:
+    app: api
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: api
+  labels:
+    app: api
+spec:
+  replicas: {{ .Values.api.replicaCount }}
+  selector:
+    matchLabels:
+      app: api
+  template:
+    metadata:
+      labels:
+        app: api
+    spec:
+      containers:
+        - name: api
+          image: "{{ .Values.api.image.repository }}:{{ .Values.api.image.tag }}"
+          imagePullPolicy: {{ .Values.api.image.pullPolicy }}
+          ports:
+            - containerPort: {{ .Values.api.service.port }}
+          envFrom:
+            - configMapRef:
+                name: handheld-devices-config
+          env:
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: handheld-devices-secrets
+                  key: db-password
+          livenessProbe:
+            httpGet:
+              path: /health/live
+              port: {{ .Values.api.service.port }}
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            timeoutSeconds: 5
+          readinessProbe:
+            httpGet:
+              path: /health/ready
+              port: {{ .Values.api.service.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 5
+            timeoutSeconds: 3
+          resources:
+            {{- toYaml .Values.api.resources | nindent 12 }}

k8s/handheld-devices/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: handheld-devices-config
+  labels:
+    app.kubernetes.io/name: handheld-devices
+    app.kubernetes.io/instance: {{ .Release.Name }}
+data:
+  DB_HOST: "postgres"
+  DB_PORT: "5432"
+  DB_NAME: "handheld_devices"
+  DB_USER: "devices_user"
+  REDIS_HOST: "redis"
+  REDIS_PORT: "6379"

k8s/handheld-devices/templates/frontend-deployment.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: frontend
+  labels:
+    app: frontend
+spec:
+  ports:
+    - port: {{ .Values.frontend.service.port }}
+      targetPort: {{ .Values.frontend.service.port }}
+      name: http
+  selector:
+    app: frontend
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: frontend
+  labels:
+    app: frontend
+spec:
+  replicas: {{ .Values.frontend.replicaCount }}
+  selector:
+    matchLabels:
+      app: frontend
+  template:
+    metadata:
+      labels:
+        app: frontend
+    spec:
+      containers:
+        - name: frontend
+          image: "{{ .Values.frontend.image.repository }}:{{ .Values.frontend.image.tag }}"
+          imagePullPolicy: {{ .Values.frontend.image.pullPolicy }}
+          ports:
+            - containerPort: {{ .Values.frontend.service.port }}
+          env:
+            - name: API_URL
+              value: {{ .Values.frontend.apiUrl | quote }}
+            - name: PORT
+              value: "{{ .Values.frontend.service.port }}"
+          livenessProbe:
+            httpGet:
+              path: /health
+              port: {{ .Values.frontend.service.port }}
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 3
+          readinessProbe:
+            httpGet:
+              path: /health
+              port: {{ .Values.frontend.service.port }}
+            initialDelaySeconds: 3
+            periodSeconds: 5
+            timeoutSeconds: 3
+          resources:
+            {{- toYaml .Values.frontend.resources | nindent 12 }}

k8s/handheld-devices/templates/ingress.yaml

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+{{- if .Values.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: handheld-devices-ingress
+  labels:
+    app.kubernetes.io/name: handheld-devices
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ .service }}
+                port:
+                  number: {{ .port }}
+          {{- end }}
+    {{- end }}
+{{- end }}

k8s/handheld-devices/templates/postgres.yaml

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+{{- if .Values.postgres.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+  labels:
+    app: postgres
+spec:
+  ports:
+    - port: 5432
+      targetPort: 5432
+      name: postgres
+  selector:
+    app: postgres
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: postgres
+  labels:
+    app: postgres
+spec:
+  serviceName: postgres
+  replicas: 1
+  selector:
+    matchLabels:
+      app: postgres
+  podManagementPolicy: Parallel
+  template:
+    metadata:
+      labels:
+        app: postgres
+    spec:
+      containers:
+        - name: postgres
+          image: {{ .Values.postgres.image.repository }}:{{ .Values.postgres.image.tag }}
+          env:
+            - name: POSTGRES_DB
+              value: handheld_devices
+            - name: POSTGRES_USER
+              value: devices_user
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: handheld-devices-secrets
+                  key: db-password
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+            - name: postgres-data
+              mountPath: /var/lib/postgresql/data
+      volumes:
+        - name: postgres-data
+          {{- if .Values.postgres.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: postgres-pvc
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+---
+{{- if .Values.postgres.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: postgres-pvc
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: {{ .Values.postgres.persistence.size }}
+{{- end }}
+{{- end }}

k8s/handheld-devices/templates/redis.yaml

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+{{- if .Values.redis.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+  labels:
+    app: redis
+spec:
+  ports:
+    - port: 6379
+      targetPort: 6379
+      name: redis
+  selector:
+    app: redis
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis
+  labels:
+    app: redis
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+    spec:
+      containers:
+        - name: redis
+          image: {{ .Values.redis.image.repository }}:{{ .Values.redis.image.tag }}
+          ports:
+            - containerPort: 6379
+{{- end }}

k8s/handheld-devices/templates/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: handheld-devices-secrets
+  labels:
+    app.kubernetes.io/name: handheld-devices
+    app.kubernetes.io/instance: {{ .Release.Name }}
+data:
+  db-password: {{ .Values.dbPassword | b64enc }}

k8s/handheld-devices/templates/worker-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: worker
+  labels:
+    app: worker
+spec:
+  replicas: {{ .Values.worker.replicaCount }}
+  selector:
+    matchLabels:
+      app: worker
+  template:
+    metadata:
+      labels:
+        app: worker
+    spec:
+      containers:
+        - name: worker
+          image: "{{ .Values.worker.image.repository }}:{{ .Values.worker.image.tag }}"
+          imagePullPolicy: {{ .Values.worker.image.pullPolicy }}
+          envFrom:
+            - configMapRef:
+                name: handheld-devices-config
+          env:
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: handheld-devices-secrets
+                  key: db-password
+          resources:
+            {{- toYaml .Values.worker.resources | nindent 12 }}

k8s/handheld-devices/values.yaml

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+api:
+  replicaCount: 2
+  image:
+    repository: handheld-devices-api
+    tag: latest
+    pullPolicy: IfNotPresent
+  service:
+    port: 8080
+  resources:
+    limits:
+      cpu: 500m
+      memory: 256Mi
+    requests:
+      cpu: 100m
+      memory: 128Mi
+
+worker:
+  replicaCount: 1
+  image:
+    repository: handheld-devices-worker
+    tag: latest
+    pullPolicy: IfNotPresent
+  resources:
+    limits:
+      cpu: 200m
+      memory: 128Mi
+    requests:
+      cpu: 50m
+      memory: 64Mi
+
+frontend:
+  replicaCount: 1
+  apiUrl: "http://localhost:8080"  # Override for ingress: use external URL, e.g. https://handheld.example.com
+  image:
+    repository: handheld-devices-frontend
+    tag: latest
+    pullPolicy: IfNotPresent
+  service:
+    port: 8090
+  resources:
+    limits:
+      cpu: 100m
+      memory: 64Mi
+    requests:
+      cpu: 50m
+      memory: 32Mi
+
+postgres:
+  enabled: true
+  image:
+    repository: postgres
+    tag: "15-alpine"
+  persistence:
+    enabled: true
+    size: 1Gi
+
+redis:
+  enabled: true
+  image:
+    repository: redis
+    tag: "7-alpine"
+
+ingress:
+  enabled: false
+  className: nginx
+  annotations: {}
+  hosts:
+    - host: handheld.example.com
+      paths:
+        - path: /api
+          pathType: Prefix
+          service: api
+          port: 8080
+        - path: /
+          pathType: Prefix
+          service: frontend
+          port: 8090
+
+# Secrets - override in production or use external secret manager
+dbPassword: devices_password