diff --git a/octopus/config/dev.exs b/octopus/config/dev.exs
index 06f82fda..388c45d6 100644
--- a/octopus/config/dev.exs
+++ b/octopus/config/dev.exs
@@ -13,9 +13,9 @@ so_reuseport =
 #   show_sensitive_data_on_connection_error: true
 
 config :octopus, Octopus.Repo,
-  username: "postgres",
-  password: "postgres",
-  hostname: "localhost",
+  username: System.get_env("OCTOPUS_DATABASE_ROLE", "postgres"),
+  password: System.get_env("OCTOPUS_DATABASE_PASSWORD", "postgres"),
+  hostname: System.get_env("OCTOPUS_DATABASE_HOST", "localhost"),
   database: "octopus_dev",
   stacktrace: true,
   show_sensitive_data_on_connection_error: true,