diff --git a/docker-compose.yml b/docker-compose.yml
index 6964b84..2a8bb5a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,14 +3,14 @@ version: '3.3'
 services:
       
   bb-db:
-    image: {dockerId}/bulletin-board-db
+    image: ${dockerId}/bulletin-board-db
     build:
       context: ./bulletin-board-db
     networks:
       - bb-net
 
   bb-app:
-    image: {dockerId}/bulletin-board-app
+    image: ${dockerId}/bulletin-board-app
     build:
       context: ./bulletin-board-app
     depends_on:
@@ -19,7 +19,7 @@ services:
       - bb-net
 
   bb-proxy:
-    image: {dockerId}/bulletin-board-proxy
+    image: ${dockerId}/bulletin-board-proxy
     build:
       context: ./bulletin-board-proxy
     ports:
@@ -30,7 +30,7 @@ services:
       - bb-net
 
   bb-metrics:
-    image: {dockerId}/bulletin-board-metrics
+    image: ${dockerId}/bulletin-board-metrics
     build:
       context: ./bulletin-board-metrics
     depends_on: