Ready just: [docker-compose up] and all is done

docker-compose.yml

@@ -3,19 +3,27 @@ version: '3'
 services:
 
   first-greeting:    
+    build:
+      context: ./Server-1
+      dockerfile: Dockerfile
     image: first-greeter
     ports:
       - "8001:8001"
     networks:
       - greeting_network
 
+
   second-greeting:
+    build:
+        context: ./Server-2
+        dockerfile: Dockerfile
     image: second-greeter
     ports:
       - "8002:8002"
     networks:
     - greeting_network
   
+
   load-balancer:
     image: haproxy
     ports: