X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/7a98271d94163cdc4afa5bfcf275db353bc062d2..3ba5aa15ea0156a4fce63dcb43b7f972b4c760df:/services/api/config/application.yml.example

diff --git a/services/api/config/application.yml.example b/services/api/config/application.yml.example
index 9162fc4445..030e23894f 100644
--- a/services/api/config/application.yml.example
+++ b/services/api/config/application.yml.example
@@ -11,11 +11,23 @@
 # 5. Section in application.default.yml called "common"
 
 development:
+  # The blob_signing_key is a string of alphanumeric characters used
+  # to sign permission hints for Keep locators. It must be identical
+  # to the permission key given to Keep.  If you run both apiserver
+  # and Keep in development, change this to a hardcoded string and
+  # make sure both systems use the same value.
+  blob_signing_key: ~
 
 production:
   # At minimum, you need a nice long randomly generated secret_token here.
+  # Use a long string of alphanumeric characters (at least 36).
   secret_token: ~
 
+  # blob_signing_key is required and must be identical to the
+  # permission secret provisioned to Keep.
+  # Use a long string of alphanumeric characters (at least 36).
+  blob_signing_key: ~
+
   uuid_prefix: bogus
 
   # compute_node_domain: example.org
@@ -39,3 +51,4 @@ test:
 common:
   #git_repositories_dir: /var/cache/git
   #git_internal_dir: /var/cache/arvados/internal.git
+