Add makefile for server and related action build test

.gitea/workflows/DRBv3_tests.yaml

@@ -13,7 +13,7 @@ env:
   MONGO_INITDB_ROOT_USERNAME: admin
   MONGO_INITDB_ROOT_PASSWORD: admin
   MONGO_INITDB_DATABASE: drb
-  SERVER_PORT: 6000
+  SERVER_PORT: 3000
   MONGO_URL: "mongodb://mongodb:27017/drb"
   TEST_GUILD_ID: ${{ secrets.TEST_GUILD_ID }}
   TEST_CLIENT_TOKEN: ${{ secrets.TEST_CLIENT_TOKEN }}
@@ -36,16 +36,8 @@ jobs:
         with:
           node-version: '20'
 
-      - name: Install dependencies
-        working-directory: './server'
-        run: npm install
-
-      - name: Build Docker image
-        working-directory: './server'
-        run: docker build -t DRB-Server .
-
-      - name: Run Docker container
-        run: docker run -d --name drb -p 3000:3000 DRB-Server 
+      - name: Build Docker image and run container
+        run: make build && make run
 
       - name: Wait for server to start
         run: sleep 10