My first basic loadBalancer

files/nginx.conf

@@ -0,0 +1,22 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    upstream backend {
+        server app-1:3001;
+        server app-2:3002;
+        server app-3:3003;
+    }
+
+
+    server {
+        listen 80;
+
+        location / {
+            proxy_pass http://backend;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+        }
+    }
+}