REFACTOR external service and improve websocket training

infrastructure/kubernetes/base/components/external/external-service.yaml

@@ -1,3 +1,5 @@
+# infrastructure/kubernetes/base/components/external/external-service.yaml
+# External Data Service v2.0 - Optimized city-based architecture
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -7,8 +9,9 @@ metadata:
     app.kubernetes.io/name: external-service
     app.kubernetes.io/component: microservice
     app.kubernetes.io/part-of: bakery-ia
+    version: "2.0"
 spec:
-  replicas: 1
+  replicas: 2
   selector:
     matchLabels:
       app.kubernetes.io/name: external-service
@@ -18,41 +21,30 @@ spec:
       labels:
         app.kubernetes.io/name: external-service
         app.kubernetes.io/component: microservice
+        version: "2.0"
     spec:
       initContainers:
-      - name: wait-for-migration
+      - name: check-data-initialized
         image: postgres:15-alpine
         command:
-        - sh
-        - -c
-        - |
-          echo "Waiting for external database and migrations to be ready..."
-          # Wait for database to be accessible
-          until pg_isready -h $EXTERNAL_DB_HOST -p $EXTERNAL_DB_PORT -U $EXTERNAL_DB_USER; do
-            echo "Database not ready yet, waiting..."
-            sleep 2
-          done
-          echo "Database is ready!"
-          # Give migrations extra time to complete after DB is ready
-          echo "Waiting for migrations to complete..."
-          sleep 10
-          echo "Ready to start service"
+          - sh
+          - -c
+          - |
+            echo "Checking if data initialization is complete..."
+            # Convert asyncpg URL to psql-compatible format
+            DB_URL=$(echo "$DATABASE_URL" | sed 's/postgresql+asyncpg:/postgresql:/')
+            until psql "$DB_URL" -c "SELECT COUNT(*) FROM city_weather_data LIMIT 1;" > /dev/null 2>&1; do
+              echo "Waiting for initial data load..."
+              sleep 10
+            done
+            echo "Data is initialized"
         env:
-        - name: EXTERNAL_DB_HOST
-          valueFrom:
-            configMapKeyRef:
-              name: bakery-config
-              key: EXTERNAL_DB_HOST
-        - name: EXTERNAL_DB_PORT
-          valueFrom:
-            configMapKeyRef:
-              name: bakery-config
-              key: DB_PORT
-        - name: EXTERNAL_DB_USER
-          valueFrom:
-            secretKeyRef:
-              name: database-secrets
-              key: EXTERNAL_DB_USER
+          - name: DATABASE_URL
+            valueFrom:
+              secretKeyRef:
+                name: database-secrets
+                key: EXTERNAL_DATABASE_URL
+
       containers:
       - name: external-service
         image: bakery/external-service:latest