diff --git a/build/docker/keycloak/keycloak.crt b/build/docker/keycloak/keycloak.crt
new file mode 100644
index 0000000000..528201c4d9
--- /dev/null
+++ b/build/docker/keycloak/keycloak.crt
@@ -0,0 +1,3 @@
+-----BEGIN CERTIFICATE-----
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
+-----END CERTIFICATE-----
diff --git a/build/docker/keycloak/keycloak_cert.pem b/build/docker/keycloak/keycloak_cert.pem
deleted file mode 100644
index a130768274..0000000000
--- a/build/docker/keycloak/keycloak_cert.pem
+++ /dev/null
@@ -1,3 +0,0 @@
------BEGIN CERTIFICATE-----
-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
------END CERTIFICATE-----
diff --git a/build/docker/keycloak/realm.json b/build/docker/keycloak/realm.json
index baecd85903..43132da063 100644
--- a/build/docker/keycloak/realm.json
+++ b/build/docker/keycloak/realm.json
@@ -31,7 +31,7 @@
   "loginWithEmailAllowed" : true,
   "duplicateEmailsAllowed" : false,
   "resetPasswordAllowed" : false,
-  "editUsernameAllowed" : false,
+  "editUsernameAllowed" : true,
   "bruteForceProtected" : false,
   "permanentLockout" : false,
   "maxFailureWaitSeconds" : 900,