feat: running on docker fully, and added rabbitmq/worker container

business/models.py

@@ -0,0 +1,31 @@
+from django.db import models
+from flower.common import ModelBase
+from basic_info import models as basic_info_models
+
+
+class PurchaseOrder(ModelBase):
+    """采购单模型（业务模块）"""
+
+    id = models.BigAutoField(primary_key=True)
+    merchant = models.ForeignKey(
+        basic_info_models.Merchant,
+        on_delete=models.PROTECT,
+        related_name='purchase_orders',
+        verbose_name='所属商户',
+    )
+    supplier = models.ForeignKey(
+        basic_info_models.Supplier,
+        on_delete=models.PROTECT,
+        related_name='purchase_orders',
+        verbose_name='供应商',
+    )
+    order_date = models.DateField(verbose_name='订单日期')
+    total_amount = models.DecimalField(max_digits=15, decimal_places=2, verbose_name='总金额')
+    remarks = models.TextField(blank=True, null=True, verbose_name='备注')
+
+    def __str__(self):
+        return f'采购订单 {self.id} - {self.supplier.name}'
+
+    class Meta:
+        verbose_name = '采购单'
+        verbose_name_plural = '采购单'