Add new infra architecture

infrastructure/services/microservices/sales/migrations/sales-migration-job.yaml

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+# Enhanced migration job for sales service with automatic table creation
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: sales-migration
+  namespace: bakery-ia
+  labels:
+    app.kubernetes.io/name: sales-migration
+    app.kubernetes.io/component: migration
+    app.kubernetes.io/part-of: bakery-ia
+spec:
+  backoffLimit: 3
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: sales-migration
+        app.kubernetes.io/component: migration
+    spec:
+      imagePullSecrets:
+      - name: dockerhub-creds
+      initContainers:
+      - name: wait-for-db
+        image: postgres:17-alpine
+        command: ["sh", "-c", "until pg_isready -h sales-db-service -p 5432; do sleep 2; done"]
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "50m"
+          limits:
+            memory: "128Mi"
+            cpu: "100m"
+      containers:
+      - name: migrate
+        image: bakery/sales-service
+        command: ["python", "/app/shared/scripts/run_migrations.py", "sales"]
+        env:
+        - name: SALES_DATABASE_URL
+          valueFrom:
+            secretKeyRef:
+              name: database-secrets
+              key: SALES_DATABASE_URL
+        - name: DB_FORCE_RECREATE
+          valueFrom:
+            configMapKeyRef:
+              name: bakery-config
+              key: DB_FORCE_RECREATE
+              optional: true
+        - name: LOG_LEVEL
+          value: "INFO"
+        resources:
+          requests:
+            memory: "256Mi"
+            cpu: "100m"
+          limits:
+            memory: "512Mi"
+            cpu: "500m"
+      restartPolicy: OnFailure