Update docker-compose.build.yml

docker/docker-compose.build.yml

@@ -7,7 +7,7 @@ services:
     environment:
       DATABASE_URL: postgresql://user:password@postgres:5432/ghostfolio-db?sslmode=prefer
       REDIS_HOST: 'redis'
-      REDIS_PASSWORD: 'password'
+      REDIS_PASSWORD: ${REDIS_PASSWORD}
     ports:
       - 3333:3333