1 files changed, 26 insertions, 1 deletions
diff --git a/src/main.rs b/src/main.rs
index 7fa1bda..35728a9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,36 @@
+use std::path::{Path, PathBuf};
+use serde::Deserialize;
+use structopt::StructOpt;
 use warp::Filter;
 
+#[derive(Debug, Deserialize)]
+struct Config {
+    port: u16,
+}
+
+#[derive(Debug, StructOpt)]
+#[structopt(name = "ewww", about = "Web server for static sites")]
+struct Opt {
+    #[structopt(parse(from_os_str))]
+    config: PathBuf,
+}
+
 #[tokio::main]
 async fn main() {
+    let opt = Opt::from_args();
+    let config = read_config(&opt.config).unwrap();
+
     let hello = warp::any()
         .map(|| "hello, world\n".to_string());
 
+    eprintln!("starting server: {:?}", config);
     warp::serve(hello)
-        .run(([127, 0, 0, 1], 3030))
+        .run(([127, 0, 0, 1], config.port))
         .await;
 }
+
+fn read_config(filename: &Path) -> anyhow::Result<Config> {
+    let config = std::fs::read_to_string(filename)?;
+    let config: Config = serde_yaml::from_str(&config)?;
+    Ok(config)
+}