kube/beer-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: beer-deployment
+  namespace: beer
+  labels:
+    app: beer-data
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: beer-data
+  strategy:
+    rollingUpdate:
+      maxSurge: 25%
+      maxUnavailable: 25%
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        app: beer-data
+    spec:
+      containers:
+        - name: beer-data
+          image: git.aridgwayweb.com/armistace/beer-data:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 5000
+              protocol: TCP
+          env:
+            - name: MONGO_HOST
+              value: "192.168.178.229"
+            - name: MONGO_USER
+              value: "root"
+            # MONGO_PASS and SECRET_KEY come from the live Secret - they are
+            # deliberately NOT in this file.  See RUNBOOK.md.
+            - name: MONGO_PASS
+              valueFrom:
+                secretKeyRef:
+                  name: beer-db
+                  key: mongo_pass
+            - name: SECRET_KEY
+              valueFrom:
+                secretKeyRef:
+                  name: beer-app
+                  key: secret_key
+          resources:
+            limits:
+              cpu: 200m
+              memory: 256Mi
+            requests:
+              cpu: 50m
+              memory: 64Mi
+          securityContext:
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+                - ALL
+            readOnlyRootFilesystem: false
+          livenessProbe:
+            httpGet:
+              path: /healthz
+              port: 5000
+            initialDelaySeconds: 10
+            periodSeconds: 20
+          readinessProbe:
+            httpGet:
+              path: /readyz
+              port: 5000
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          volumeMounts:
+            - name: tmp
+              mountPath: /tmp
+      volumes:
+        - name: tmp
+          emptyDir: {}
+      securityContext:
+        runAsNonRoot: true
+        # The image creates a named user "beer".  kubelet cannot verify that a
+        # *named* user is non-root (it can only check a numeric UID), so the
+        # UID is set explicitly here.  It must match the UID in the image.
+        runAsUser: 999
+        runAsGroup: 999
+        fsGroup: 999
+      nodeSelector:
+        kubernetes.io/hostname: archlinux-k3s-3
+      imagePullSecrets:
+        - name: beercred
+      terminationGracePeriodSeconds: 30
+      restartPolicy: Always

kube/beer-service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: beer-service
+  namespace: beer
+  labels:
+    app: beer-data
+spec:
+  type: NodePort
+  selector:
+    app: beer-data
+  ports:
+    - name: http
+      port: 80
+      targetPort: 5000
+      nodePort: 30015
+      protocol: TCP

kube/beer_namespace.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: beer
+  labels:
+    app: beer-data