diff --git a/conf/app.ini b/conf/app.ini
new file mode 100644
index 0000000..0b888e3
--- /dev/null
+++ b/conf/app.ini
@@ -0,0 +1,7 @@
+[database]
+DB_TYPE  = postgres
+HOST     = db:5432
+NAME     = gitea
+USER     = gitea
+PASSWD   = gitea
+SSL_MODE = require
diff --git a/heroku.yml b/heroku.yml
index 23c461b..4f05cbe 100644
--- a/heroku.yml
+++ b/heroku.yml
@@ -6,15 +6,16 @@ setup:
     POSTGRES_USER: gitea
     POSTGRES_PASSWORD: gitea
     POSTGRES_DB: gitea
+
+build:
+  docker:
+    web: Dockerfile
+  config:
     GITEA__database__DB_TYPE: postgres
     GITEA__database__HOST: db:5432
     GITEA__database__NAME: gitea
     GITEA__database__USER: gitea
     GITEA__database__PASSWD: gitea
 
-build:
-  docker:
-    web: Dockerfile
-
 run:
   web: /usr/local/bin/gitea web -port $PORT