Add command line parameters

backend/src/config.rs

@@ -0,0 +1,20 @@
+use std::net::IpAddr;
+
+#[derive(StructOpt)]
+pub(crate) struct Opt {
+    #[structopt(short = "p", long = "port", default_value = "8080")]
+    /// Port to listen on
+    pub(crate) port: u16,
+    #[structopt(short = "i", long = "interface", default_value = "0.0.0.0")]
+    /// Interface to listen on
+    pub(crate) interface: IpAddr,
+    #[structopt(short = "w", long = "workers", default_value = "4")]
+    /// Number of worker threads
+    pub(crate) workers: usize,
+    #[structopt(long = "gh-id")]
+    /// GitHub OAuth client ID
+    pub(crate) github_id: Option<String>,
+    #[structopt(long = "gh-secret")]
+    /// GitHub OAuth client secret
+    pub(crate) github_secret: Option<String>,
+}