Add configmap for init db

charts/my-recipes-chart/templates/db-schema-configmap.yaml

@@ -0,0 +1,29 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-db-schema
+data:
+  schema.sql: |
+    -- Create recipes table
+    CREATE TABLE IF NOT EXISTS recipes (
+        id SERIAL PRIMARY KEY,
+        name TEXT NOT NULL,
+        meal_type TEXT NOT NULL,
+        time_minutes INTEGER NOT NULL,
+
+        tags JSONB NOT NULL DEFAULT '[]',
+        ingredients JSONB NOT NULL DEFAULT '[]',
+        steps JSONB NOT NULL DEFAULT '[]'
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_recipes_meal_type
+      ON recipes (meal_type);
+
+    CREATE INDEX IF NOT EXISTS idx_recipes_time_minutes
+      ON recipes (time_minutes);
+
+    CREATE INDEX IF NOT EXISTS idx_recipes_tags_jsonb
+      ON recipes USING GIN (tags);
+
+    CREATE INDEX IF NOT EXISTS idx_recipes_ingredients_jsonb
+      ON recipes USING GIN (ingredients);

charts/my-recipes-chart/templates/db-statefulset.yaml

@@ -31,6 +31,12 @@ spec:
           volumeMounts:
             - name: data
               mountPath: /var/lib/postgresql/data
+            - name: init-sql
+              mountPath: /docker-entrypoint-initdb.d
+      volumes:
+        - name: init-sql
+          configMap:
+            name: {{ .Release.Name }}-db-schema
   volumeClaimTemplates:
     - metadata:
         name: data