diff --git a/charts/my-recipes-chart/templates/add-missing-tables-configmap.yaml b/charts/my-recipes-chart/templates/add-missing-tables-configmap.yaml
new file mode 100644
index 0000000..d15cad9
--- /dev/null
+++ b/charts/my-recipes-chart/templates/add-missing-tables-configmap.yaml
@@ -0,0 +1,45 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-add-missing-tables
+  namespace: {{ .Values.global.namespace }}
+data:
+  add-tables.sql: |
+    -- Create grocery lists table
+    CREATE TABLE IF NOT EXISTS grocery_lists (
+        id SERIAL PRIMARY KEY,
+        name TEXT NOT NULL,
+        items TEXT[] NOT NULL DEFAULT '{}',
+        owner_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        is_pinned BOOLEAN DEFAULT FALSE,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    -- Create grocery list shares table
+    CREATE TABLE IF NOT EXISTS grocery_list_shares (
+        id SERIAL PRIMARY KEY,
+        list_id INTEGER NOT NULL REFERENCES grocery_lists(id) ON DELETE CASCADE,
+        shared_with_user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        can_edit BOOLEAN DEFAULT FALSE,
+        shared_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        UNIQUE(list_id, shared_with_user_id)
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_grocery_lists_owner_id ON grocery_lists (owner_id);
+    CREATE INDEX IF NOT EXISTS idx_grocery_list_shares_list_id ON grocery_list_shares (list_id);
+    CREATE INDEX IF NOT EXISTS idx_grocery_list_shares_user_id ON grocery_list_shares (shared_with_user_id);
+
+    -- Create notifications table
+    CREATE TABLE IF NOT EXISTS notifications (
+        id SERIAL PRIMARY KEY,
+        user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+        type TEXT NOT NULL,
+        message TEXT NOT NULL,
+        related_id INTEGER,
+        is_read BOOLEAN DEFAULT FALSE,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_notifications_user_id ON notifications (user_id);
+    CREATE INDEX IF NOT EXISTS idx_notifications_is_read ON notifications (is_read);
diff --git a/charts/my-recipes-chart/templates/add-missing-tables-job.yaml b/charts/my-recipes-chart/templates/add-missing-tables-job.yaml
new file mode 100644
index 0000000..6a6a690
--- /dev/null
+++ b/charts/my-recipes-chart/templates/add-missing-tables-job.yaml
@@ -0,0 +1,49 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ .Release.Name }}-add-missing-tables
+  namespace: {{ .Values.global.namespace }}
+  annotations:
+    "helm.sh/hook": post-upgrade
+    "helm.sh/hook-weight": "6"
+    "helm.sh/hook-delete-policy": before-hook-creation
+spec:
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+        - name: add-tables
+          image: postgres:16-alpine
+          env:
+            - name: PGHOST
+              value: {{ .Release.Name }}-db
+            - name: PGPORT
+              value: "{{ .Values.postgres.port }}"
+            - name: PGDATABASE
+              value: {{ .Values.postgres.database }}
+            - name: PGUSER
+              value: {{ .Values.postgres.user }}
+            - name: PGPASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ .Release.Name }}-db-credentials
+                  key: password
+          command:
+            - sh
+            - -c
+            - |
+              echo "Waiting for database to be ready..."
+              until pg_isready -h $PGHOST -p $PGPORT -U $PGUSER; do
+                echo "Database not ready, waiting..."
+                sleep 2
+              done
+              echo "Database ready, adding missing tables..."
+              psql -v ON_ERROR_STOP=1 -f /sql/add-tables.sql
+              echo "Tables added successfully!"
+          volumeMounts:
+            - name: sql
+              mountPath: /sql
+      volumes:
+        - name: sql
+          configMap:
+            name: {{ .Release.Name }}-add-missing-tables