Add new infra architecture

infrastructure/services/microservices/external/migrations/external-data-init-job.yaml

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+# infrastructure/kubernetes/base/jobs/external-data-init-job.yaml
+# One-time job to initialize 24 months of historical data for all enabled cities
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: external-data-init
+  namespace: bakery-ia
+  labels:
+    app: external-service
+    component: data-initialization
+spec:
+  ttlSecondsAfterFinished: 86400
+  backoffLimit: 3
+  template:
+    metadata:
+      labels:
+        app: external-service
+        job: data-init
+    spec:
+      imagePullSecrets:
+      - name: dockerhub-creds
+      restartPolicy: OnFailure
+
+      initContainers:
+      - name: wait-for-db
+        image: postgres:17-alpine
+        command:
+          - sh
+          - -c
+          - |
+            until pg_isready -h $EXTERNAL_DB_HOST -p $DB_PORT -U $EXTERNAL_DB_USER; do
+              echo "Waiting for database..."
+              sleep 2
+            done
+            echo "Database is ready"
+        envFrom:
+        - configMapRef:
+            name: bakery-config
+        - secretRef:
+            name: database-secrets
+      - name: wait-for-migration
+        image: postgres:17-alpine
+        command:
+          - sh
+          - -c
+          - |
+            echo "Waiting for external-service migration to complete..."
+            sleep 15
+            echo "Migration should be complete"
+        envFrom:
+        - configMapRef:
+            name: bakery-config
+
+      containers:
+      - name: data-loader
+        image: bakery/external-service:latest
+        imagePullPolicy: Always
+
+        command:
+          - python
+          - -m
+          - app.jobs.initialize_data
+
+        args:
+          - "--months=6"  # Reduced from 24 to avoid memory/rate limit issues
+          - "--log-level=INFO"
+
+        envFrom:
+        - configMapRef:
+            name: bakery-config
+        - secretRef:
+            name: database-secrets
+        - secretRef:
+            name: external-api-secrets
+
+        resources:
+          requests:
+            memory: "2Gi"  # Increased from 1Gi
+            cpu: "500m"
+          limits:
+            memory: "4Gi"  # Increased from 2Gi
+            cpu: "1000m"