diff --git a/docker-stacks/app-server/semaphore.yml b/docker-stacks/app-server/semaphore.yml
index a74acb4..5a3c1e0 100644
--- a/docker-stacks/app-server/semaphore.yml
+++ b/docker-stacks/app-server/semaphore.yml
@@ -7,21 +7,21 @@ services:
       - "4011:3000"
     environment:
       # Database Connection (External)
-      SEMAPHORE_DB_USER: "{SEMAPHORE_DB_USER}"
-      SEMAPHORE_DB_PASS: "{SEMAPHORE_PASSWORD}"
-      SEMAPHORE_DB_HOST: "{SEMAPHORE_DB_HOST}"
+      SEMAPHORE_DB_USER: "${SEMAPHORE_DB_USER}"
+      SEMAPHORE_DB_PASS: "${SEMAPHORE_PASSWORD}"
+      SEMAPHORE_DB_HOST: "${SEMAPHORE_DB_HOST}"
       SEMAPHORE_DB_PORT: "5432"
       SEMAPHORE_DB_DIALECT: "postgres"
-      SEMAPHORE_DB: "{SEMAPHORE_DB_NAME}"
+      SEMAPHORE_DB: "${SEMAPHORE_DB_NAME}"
       
       # Initial Admin Setup
-      SEMAPHORE_ADMIN: "{SEMAPHORE_ADMIN_USERNAME}"
-      SEMAPHORE_ADMIN_PASSWORD: "{SEMAPHORE_ADMIN_PASSWORD}"
-      SEMAPHORE_ADMIN_NAME: "{SEMAPHORE_ADMIN_USERNAME}"
-      SEMAPHORE_ADMIN_EMAIL: "{SEMAPHORE_ADMIN_EMAIL}"
+      SEMAPHORE_ADMIN: "${SEMAPHORE_ADMIN_USERNAME}"
+      SEMAPHORE_ADMIN_PASSWORD: "${SEMAPHORE_ADMIN_PASSWORD}"
+      SEMAPHORE_ADMIN_NAME: "${SEMAPHORE_ADMIN_USERNAME}"
+      SEMAPHORE_ADMIN_EMAIL: "${SEMAPHORE_ADMIN_EMAIL}"
       
       # Encryption Key (Required)
-      SEMAPHORE_ACCESS_KEY_ENCRYPTION: "{SEMAPHORE_ACCESS_KEY_ENCRYPTION}"
+      SEMAPHORE_ACCESS_KEY_ENCRYPTION: "${SEMAPHORE_ACCESS_KEY_ENCRYPTION}"
       
     volumes:
       - /tmp/semaphore:/tmp/semaphore