feat: implement nginx load balancer

Test this out and approve if we can commit to the ip_hash resolution. I want to present the functionality myself, i thiiink

Closes #18 (closed)

docker-compose.yml

-version: '3.9'
 services:
   mongodb:
     image: mongo:latest
@@ -33,4 +32,16 @@ services:
     depends_on:
       - mongodb
     environment:
-      - MONGO_URI=${MONGO_URI}
+      - MONGO_URI=${MONGO_URI}
\ No newline at end of file
+
+  nginx:
+    image: nginx:latest
+    container_name: nginx
+    ports:
+      - "80:80"
+    depends_on:
+      - todo-app-1
+      - todo-app-2
+    volumes:
+      - "./nginx.conf:/etc/nginx/nginx.conf:ro"
+      - "/var/log/nginx/access.log:/var/log/nginx/access.log"