Added load balancing via Nginx

docker-compose.yml

@@ -1,12 +1,41 @@
 version: '2'
 services:
-    web:
-        build: .
+    webtodel1:
+        container_name: todel1
+        image: todel
         ports:
-        - "5000:5000"
+        - "5000"
+        volumes:
+        - .:/go/src/github.com/mecusorin/SampleGoRedisDockerNginx/main
+        depends_on:
+        - redis
+    webtodel2:
+        container_name: todel2
+        image: todel
+        ports:
+        - "5000"
+        volumes:
+        - .:/go/src/github.com/mecusorin/SampleGoRedisDockerNginx/main
+        depends_on:
+        - redis
+    webtodel3:
+        container_name: todel3
+        image: todel
+        ports:
+        - "5000"
         volumes:
         - .:/go/src/github.com/mecusorin/SampleGoRedisDockerNginx/main
         depends_on:
         - redis
     redis:
         image: redis
+    loadbalancer:
+        container_name: todelLoadBalancer
+        image: loadbalancer-nginx
+        ports:
+        - "5000:80"
+        links:
+        - "webtodel1"
+        - "webtodel2"
+        - "webtodel3"
+

nginx/Dockerfile

@@ -0,0 +1,2 @@
+FROM nginx:1.10
+COPY ./nginx.conf /etc/nginx/nginx.conf

nginx/nginx.conf

@@ -0,0 +1,19 @@
+http {
+    upstream mygoapp {
+        server todel1:5000;
+        server todel2:5000;
+        server todel3:5000;
+    }
+
+    server {
+        listen 80;
+
+        location / {
+            proxy_pass http://mygoapp;
+        }
+    }
+}
+
+worker_processes 4;
+
+events { worker_connections 1024; }

run_compose.sh

@@ -34,6 +34,7 @@ then
     docker rm $(docker ps -qaf "since=tensorflow-udacity")
     docker rmi $(docker images -qf "since=composetest_web")
     docker build -t todel --rm .
+    docker build -t loadbalancer-nginx --rm nginx/
     docker-compose up
 else
     echo "Take care you can delete docker images and containers"