Fixed docker compose

Dockerfile

@@ -8,4 +8,5 @@ RUN npm rebuild node-sass
 RUN gulp
 COPY . .
 EXPOSE 8080
+EXPOSE 5432
 CMD ["npm" , "run"]

docker-compose.yml

@@ -1,4 +1,4 @@
-version: "2"
+version: "3"
 services:
   greenvironment:
     build:
@@ -10,6 +10,6 @@ services:
       - NODE_ENV=production
     volumes:
       - ./:/home/node/green
-    expose:
+    ports:
-      - "8080"
+      - "8080:8080"
     command: "npm start"