static dirs are handled for both debug and release

src/common.rs

@@ -1 +1,18 @@
+use anyhow::{anyhow, Result};
+
 include!(concat!(env!("OUT_DIR"), "/built.rs"));
+
+pub fn get_static_dir<S: AsRef<str>>(dir: S) -> Result<std::path::PathBuf> {
+    let cwd = std::env::current_exe()?.parent().unwrap().to_path_buf();
+    let base_path = if PROFILE == "debug" {
+        cwd.join("../../tmp/static")
+    } else {
+        cwd
+    };
+    let result = base_path.join(dir.as_ref());
+    if result.exists() {
+        Ok(result)
+    } else {
+        Err(anyhow!("Path {result:?} doesn't exist."))
+    }
+}

src/main.rs

@@ -5,7 +5,6 @@ extern crate diesel_migrations;
 #[macro_use]
 extern crate lazy_static;
 
-use std::env;
 use std::net::SocketAddr;
 use std::path::PathBuf;
 
@@ -15,7 +14,10 @@ use clap::{App as ClapApp, Arg};
 use log::{debug, info, warn};
 use std::sync::{Arc, RwLock};
 
-use crate::{common::PKG_VERSION, database::UpEndDatabase};
+use crate::{
+    common::{get_static_dir, PKG_VERSION},
+    database::UpEndDatabase,
+};
 
 mod addressing;
 mod common;
@@ -101,12 +103,15 @@ fn main() -> Result<()> {
 
     let upend = Arc::new(open_result.db);
 
-    let ui_path = env::current_exe().unwrap().parent().unwrap().join("webui");
-    if !ui_path.exists() {
-        warn!("No Web UI directory present ({:?}), disabling...", ui_path);
+    let ui_path = get_static_dir("webui");
+    if ui_path.is_err() {
+        warn!(
+            "Couldn't locate Web UI directory ({:?}), disabling...",
+            ui_path
+        );
     }
     let desktop_enabled = !matches.is_present("NO_DESKTOP");
-    let ui_enabled = ui_path.exists() && !matches.is_present("NO_UI");
+    let ui_enabled = ui_path.is_ok() && !matches.is_present("NO_UI");
     let browser_enabled = desktop_enabled && !matches.is_present("NO_BROWSER");
 
     let preview_path = upend.db_path.join("previews");
@@ -158,6 +163,7 @@ fn main() -> Result<()> {
     // Start HTTP server
 
     let mut cnt = 0;
+    let ui_path = ui_path.ok();
     let server = loop {
         let state = state.clone();
         let ui_path = ui_path.clone();
@@ -183,8 +189,8 @@ fn main() -> Result<()> {
                 .service(routes::get_jobs)
                 .service(routes::get_info);
 
-            if ui_enabled {
-                app.service(actix_files::Files::new("/", &ui_path).index_file("index.html"))
+            if let Some(ui_path) = &ui_path {
+                app.service(actix_files::Files::new("/", ui_path).index_file("index.html"))
             } else {
                 app
             }