add .dockerignore & change compose

.dockerignore

@@ -0,0 +1,6 @@
+#Folders
+.git
+/node_modules
+
+#Files
+.env

Dockerfile

@@ -1,4 +1,6 @@
 FROM node:alpine
-COPY . /app
 WORKDIR /app
+COPY package.json /app
+RUN npm install
+COPY . /app
 CMD npm start

app.js

@@ -34,6 +34,6 @@ app.get('robots.txt', (req, res) => {
 	res.sendFile('robots.txt', { root: __dirname })
 })
 
-app.listen(process.env.PORT, () => {
+app.listen(process.env.PORT || 3000, () => {
 	console.log('Connected')
 })

docker-compose.yml

@@ -1,6 +1,22 @@
-version: 1.0
-services: 
-    web:
-        build: .
-        ports:
-            - "9000":"3000"
+version: '3.0'
+services:
+  app:
+    container_name: tvmultiverse28
+    build: .
+    ports:
+      - '9000:3000'
+    env_file: .env
+    links:
+      - mongo
+    networks:
+      - app-network
+  mongo:
+    container_name: mongo
+    image: mongo
+    ports:
+      - '27017:27017'
+networks:
+  app-network:
+    driver: bridge
+volumes:
+  dbdata: