Add basic Keycloak setup
diff --git a/postgres/docker/entrypoint b/postgres/docker/entrypoint
index 311a019..1782d31 100644
--- a/postgres/docker/entrypoint
+++ b/postgres/docker/entrypoint
@@ -11,7 +11,7 @@
         echo $(mktemp -u XXXXXXXXXXXXXXXX) >${kc_secret}
     fi
     chown root:postgres ${kc_secret}
-    chmod 440 ${kc_secret}
+    chmod 444 ${kc_secret}
 }
 
 exec docker-entrypoint.sh "$@"