add usage to README

1 files changed, 11 insertions, 0 deletions

diff --git a/README.md b/README.md
index 498cfbc..e0b95b7 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,17 @@ this is intended for simple use cases, like if you have a weird little web app t
 security concerns that you'd still like to be able to access on the public internet.
 
 
+usage
+-----
+
+phlox supports the following command-line flags:
+
+  * `-c CONFIG_FILE` - set the config file to use
+  * `--passwd` - generate a json object with the argon2id hash of the given password
+    * this will cause phlox to output json and exit without running the server
+  * `--user` - optionally set the username to use with the --passwd option
+
+
 configuration
 -------------