Adds endpoint skeletons

src/main/java/com/nisum/ascend/promotions/controller/PromotionsController.java

 package com.nisum.ascend.promotions.controller;
 
+import com.nisum.ascend.promotions.dto.PromotionDto;
+import com.nisum.ascend.promotions.model.Promotion;
 import com.nisum.ascend.promotions.repository.PromotionRepository;
 import com.nisum.ascend.promotions.service.PromotionService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+import java.util.ArrayList;
 
 @RestController
 @RequestMapping("/api/promos")
@@ -12,4 +18,40 @@ public class PromotionsController {
 
     @Autowired
     PromotionService promotionService;
+
+    @GetMapping()
+    public Flux<ResponseEntity<PromotionDto>> getAllPromotions(@RequestParam(required = false) String itemSku){
+        //TODO: get all promos OR promos by item SKU
+        return null;
+    }
+
+    @GetMapping("/{id}")
+    public Mono<ResponseEntity<PromotionDto>> getPromotionById(@PathVariable String id){
+        //TODO: get promo by ID
+        return null;
+    }
+
+    @PostMapping()
+    public Mono<ResponseEntity<PromotionDto>> createPromotion(@RequestBody Promotion newPromotion){
+        //TODO: create promotion
+        return null;
+    }
+
+    @PostMapping("/bulkSearch")
+    public Flux<ResponseEntity<PromotionDto>> bulkSearchPromotionsByItemSku(){
+        //TODO: bulk search by list of item SKUs
+        return null;
+    }
+
+    @PutMapping("/{promoId}")
+    public Mono<ResponseEntity<PromotionDto>> updatePromotionById(@PathVariable String promoId, @RequestBody Promotion newPromotion){
+        //TODO: update promotion
+        return null;
+    }
+
+    @DeleteMapping("/{promoId}")
+    public Mono<ResponseEntity<PromotionDto>> deletePromotionById(@PathVariable String promoId){
+        //TODO: delete promotion
+        return null;
+    }
 }

src/main/resources/application.properties

 server.port=8081
-spring.data.mongodb.uri=mongodb+srv://admin:${db.password}@inventory-promotions.d4nfz.mongodb.net/products-promotions-db?retryWrites=true&w=majority
+spring.data.mongodb.uri=mongodb+srv://admin:${db.password}@inventory-promotions.d4nfz.mongodb\
+  .net/${spring.data.mongodb.database}?retryWrites=true&w=majority
 spring.data.mongodb.database=products-promotions-db
\ No newline at end of file