auto networking

Load-Balancer/haproxy.cfg

 global
     maxconn 4096
+    log stdout format raw local0
 
 defaults
+    log global
     mode http
     timeout connect 5000ms
     timeout client 50000ms
@@ -9,9 +11,9 @@ defaults
 
 frontend main
     bind *:8080
-    default_backend backend
+    default_backend greeter_backend
 
-backend backend
+backend greeter_backend
     balance roundrobin
-    server greeter-1 172.19.0.3:8001
-    server greeter-2 172.19.0.2:8002
+    server greeter-1 first-greeting:8001
+    server greeter-2 second-greeting:8002

docker-compose.yml

@@ -6,11 +6,15 @@ services:
     image: first-greeter
     ports:
       - "8001:8001"
-  
+    networks:
+      - greeting_network
+
   second-greeting:
     image: second-greeter
     ports:
       - "8002:8002"
+    networks:
+    - greeting_network
   
   load-balancer:
     image: haproxy
@@ -21,4 +25,8 @@ services:
     depends_on:
       - first-greeting
       - second-greeting
-  
\ No newline at end of file
+    networks:
+      - greeting_network
+
+networks:
+  greeting_network:
\ No newline at end of file