diff --git a/.gitignore b/.gitignore
index cf06705..bbc6537 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,6 @@ target
 out
 .DS_Store
 data
+.classpath
+.project
+.settings
diff --git a/README.md b/README.md
index df1b427..aacb75a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Docker Compose with Spring Boot, MongoDB, NGINX
+# [Docker Compose with Spring Boot, MongoDB, NGINX](https://hellokoding.com/docker-compose-with-spring-boot-mongodb-nginx/)
 
 ## What you'll build
 - A simple Spring Boot application  with MongoDB and NGINX running inside Docker containers 
diff --git a/app/src/main/java/com/hellokoding/springboot/IndexController.java b/app/src/main/java/com/hellokoding/springboot/IndexController.java
index 9870a01..e211fed 100644
--- a/app/src/main/java/com/hellokoding/springboot/IndexController.java
+++ b/app/src/main/java/com/hellokoding/springboot/IndexController.java
@@ -14,8 +14,10 @@ public class IndexController {
 
     @GetMapping("/")
     public String index(Model model) {
-        MongoClient mongoClient = new MongoClient("mongodb");
-        logger.log(Level.INFO, "First database name: " + mongoClient.listDatabaseNames().first());
+        try(MongoClient mongoClient = new MongoClient("mongodb")){
+            logger.log(Level.INFO, "First database name: " + mongoClient.listDatabaseNames().first());
+        }
+        
         return "index";
     }
 }
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 29b14ae..630bc5c 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -1,4 +1,4 @@
-version: '2'
+version: '3'
 services:
   nginx:
    container_name: some-nginx
@@ -9,6 +9,9 @@ services:
    - 443:443
    volumes:
    - ./nginx/conf.d:/etc/nginx/conf.d
+   depends_on:
+   - app
+
   mongodb:
     container_name: some-mongo
     image: mongo:3.6
@@ -32,5 +35,4 @@ services:
       - "8080"
     command: mvn clean spring-boot:run
     depends_on:
-      - nginx
       - mongodb