Implement deployment.yaml/service.yaml

k8s/deployment.yaml

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+# Runs one Pod of the glassboxml-webapp image and keeps it running.
+apiVersion: apps/v1        # API group/version that defines the Deployment resource
+kind: Deployment            # Resource type: manages a set of identical Pods
+metadata:
+  name: glassboxml-webapp   # Name of this Deployment object
+spec:
+  replicas: 1                # Run a single Pod (no redundancy/scaling needed locally)
+  selector:
+    matchLabels:
+      app: glassboxml-webapp   # Tells the Deployment which Pods it owns/manages
+  template:                    # Pod template used to create each replica
+    metadata:
+      labels:
+        app: glassboxml-webapp   # Must match spec.selector.matchLabels above
+    spec:
+      containers:
+        - name: glassboxml-webapp        # Name of the container within the Pod
+          image: glassboxml-webapp         # Image built locally via `docker build -t glassboxml-webapp .`
+          imagePullPolicy: Never           # Never pull from a registry — use the image already present in minikube's Docker daemon
+          ports:
+            - containerPort: 8000          # Port the FastAPI/uvicorn server listens on inside the container

k8s/service.yaml

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+# Exposes the glassboxml-webapp Pod so it can be reached from outside the cluster.
+apiVersion: v1              # Core API group/version that defines the Service resource
+kind: Service                # Resource type: stable network endpoint in front of Pods
+metadata:
+  name: glassboxml-webapp    # Name of this Service object
+spec:
+  type: NodePort              # Exposes the Service on a static port on the minikube node itself
+  selector:
+    app: glassboxml-webapp    # Routes traffic to Pods with this label (must match the Deployment's Pod labels)
+  ports:
+    - port: 8000               # Port the Service listens on inside the cluster
+      targetPort: 8000          # Port on the Pod to forward traffic to (matches containerPort)