Add Kubernetes deployment, service, ingress, and namespace configurations

script/k8s/deployment.yaml

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+# Kubernetes Deployment Configuration
+# Deployment manages a set of identical pods and ensures desired state
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  # Name of the deployment
+  name: ${CONTAINER_IMAGE_NAME}
+  # Namespace where deployment will be created
+  namespace: ${KUBERNETES_NAMESPACE}
+  labels:
+    app: ${CONTAINER_IMAGE_NAME}
+spec:
+  # Number of pod replicas to run
+  replicas: 2
+  
+  # Label selector to identify pods managed by this deployment
+  selector:
+    matchLabels:
+      app: ${CONTAINER_IMAGE_NAME}
+  
+  # Pod template definition
+  template:
+    metadata:
+      labels:
+        app: ${CONTAINER_IMAGE_NAME}
+    spec:
+      # Secret to pull images from private registry
+      imagePullSecrets:
+        - name: regcred
+      
+      # Container specification
+      containers:
+        - name: ${CONTAINER_IMAGE_NAME}
+          # Docker image to use
+          image: ${FULL_IMAGE_NAME}
+          # Always pull the latest version of the image
+          imagePullPolicy: Always
+          
+          # Container port that the app listens on
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          
+          # Health check to know when container is ready to serve traffic
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+            initialDelaySeconds: 5
+            periodSeconds: 10
+            timeoutSeconds: 5
+            failureThreshold: 3
+          
+          # Health check to know when to restart container
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+            initialDelaySeconds: 15
+            periodSeconds: 20
+            timeoutSeconds: 5
+            failureThreshold: 3
+          
+          # Resource limits and requests
+          resources:
+            # Minimum resources guaranteed to container
+            requests:
+              memory: "64Mi"
+              cpu: "100m"
+            # Maximum resources container can use
+            limits:
+              memory: "128Mi"
+              cpu: "200m"