diff --git a/.env_sample b/.env_sample
index 7a5e06992..ce6916ef1 100644
--- a/.env_sample
+++ b/.env_sample
@@ -9,7 +9,7 @@ DB_PORT=5432
 
 DJANGO_SETTINGS_MODULE=settings.develop
 ALLOWED_HOSTS=localhost,example.com
-SUBMISSIONS_API_URL=http://localhost/api
+SUBMISSIONS_API_URL=http://django:8000/api
 
 # Local domain definition
 DOMAIN_NAME=localhost:80
@@ -56,7 +56,7 @@ AWS_SECRET_ACCESS_KEY=testsecret
 AWS_STORAGE_BUCKET_NAME=public
 AWS_STORAGE_PRIVATE_BUCKET_NAME=private
 # NOTE! port 9000 here should match $MINIO_PORT
-AWS_S3_ENDPOINT_URL=http://localhost:9000/
+AWS_S3_ENDPOINT_URL=http://minio:9000/
 AWS_QUERYSTRING_AUTH=False
 
 # # S3 storage example