Added proxy

compose/proxy/nginx.conf

@@ -0,0 +1,16 @@
+events {}
+http{
+
+    upstream backend{
+        server web:80;
+        server web_2:80;
+        server web_3:80;
+    }
+
+    server{
+        listen 80;
+        location / {
+            proxy_pass http://backend;
+        }
+    }
+}

compose/proxy/proxy.yml

@@ -0,0 +1,14 @@
+services:
+  web: 
+    image: nginx:alpine
+    volumes:
+      - ./web:/usr/share/nginx/html:ro
+  
+  proxy:
+    image: nginx:alpine
+    ports:
+      - 80:80
+    volumes:
+      - ./nginx.conf:/etc/nginx/nginx.conf:ro
+    depends_on:
+      - web