diff --git a/app/Dockerfile b/app/Dockerfile
index fc8b95f..47951e1 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -11,6 +11,7 @@ FROM node:${NODE_VERSION}-alpine
 # Use production node environment by default.
 ENV NODE_ENV production
 
+# Change working directory
 WORKDIR /usr/src/app
 
 # Download dependencies as a separate step to take advantage of Docker's caching.
diff --git a/app/config/keys.js b/app/config/keys.js
index 9b88256..daa7f52 100644
--- a/app/config/keys.js
+++ b/app/config/keys.js
@@ -1,3 +1,3 @@
 module.exports = {
-    mongoProdURI: 'mongodb://todo-database:27017/todoapp',
+    mongoProdURI: 'mongodb://todo-database:27018/todoapp',
 };
\ No newline at end of file
diff --git a/app/package.json b/app/package.json
index ea40357..e015236 100644
--- a/app/package.json
+++ b/app/package.json
@@ -5,7 +5,7 @@
   "main": "app.js",
   "scripts": {
     "start": "node server.js",
-    "dev": "nodemon server.js -e js,ejs,mjs,cjs,json"
+    "dev": "nodemon server.js -e js,ejs,mjs,cjs,json -L"
   },
   "author": "",
   "license": "ISC",
diff --git a/compose.yaml b/compose.yaml
index 629ed15..79d9d5a 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -22,5 +22,6 @@ services:
 
   todo-database:
     image: mongo:6
+    command: mongod --port 27018
     ports:
-      - 27017:27017
\ No newline at end of file
+      - 27018:27018
\ No newline at end of file