Add bind arg and better error handling

1 files changed, 21 insertions, 1 deletions

diff --git a/README.md b/README.md
index e598e7d..7d463a3 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,27 @@ Or directly:
 cargo run
 ```
 
-The server listens on `0.0.0.0:3000`.
+By default the server listens on `0.0.0.0:3000` and reads config from `config.toml`.
+
+## CLI Arguments
+
+| Argument | Default | Description |
+|----------|---------|-------------|
+| `--config <PATH>` | `config.toml` | Path to the configuration file |
+| `--bind <ADDR>` | `0.0.0.0:3000` | Address to bind the HTTP server to |
+
+Examples:
+
+```sh
+# Use a custom config file
+./target/release/printstats --config /etc/printstats/config.toml
+
+# Listen on a different address/port
+./target/release/printstats --bind 127.0.0.1:8080
+
+# Both at once
+./target/release/printstats --config /etc/printstats/config.toml --bind 127.0.0.1:8080
+```
 
 ## API