Add function to Config to output warnings

src/server/config.rs

@@ -235,6 +235,32 @@ impl Config {
             .set_default("auth.cookies_secure", DEFAULT_COOKIES_SECURE)?
             .set_default("server.public_path", default_public_dir())
     }
+
+    /// Log any configuration-related warning messages, such as differences between user-configured
+    /// values and those supplied by the Dioxus CLI
+    pub fn log_warnings(&self) {
+        if let Some(dx_port) = dioxus::cli_config::server_port()
+            && dx_port != self.server.port
+        {
+            tracing::warn!(
+                "Your configured server port ({}) doesn't match the one specified from environment \
+                variables set by the Dioxus CLI ({dx_port}). If you are intending to use the dx tool, \
+                please do not specify a port in the configuration.",
+                self.server.port
+            );
+        }
+
+        if let Ok(dx_public_path) = std::env::var("DIOXUS_PUBLIC_PATH")
+            && dx_public_path != self.server.public_path
+        {
+            tracing::warn!(
+                "Your configured server public path ({}) doesn't match the one specified from environment \
+                variables set by the Dioxus CLI ({dx_public_path}). If you are intending to use the dx tool, \
+                please do not specify a public_path in the configuration.",
+                self.server.public_path.display()
+            );
+        }
+    }
 }
 
 /// Provide a sane default for the public path, using the same sources as Dioxus does internally.

src/server/main.rs

@@ -1,5 +1,4 @@
 use dioxus::{
-    cli_config,
     fullstack::axum::{self, Router, middleware::from_fn},
     prelude::{DioxusRouterExt, ServeConfig},
     server::axum::Extension,
@@ -26,6 +25,7 @@ pub async fn main() -> Result<std::convert::Infallible> {
         .err_context("Failed to load config")?;
 
     tracing::debug!("Loaded configuration: {config:#?}");
+    config.log_warnings();
 
     // Dioxus doesn't expose a way to configure the public path other than this environment
     // variable, and also doesn't provide a way to read what the public path is. As a workaround we
@@ -59,18 +59,6 @@ pub async fn main() -> Result<std::convert::Infallible> {
 
     let auth_layer = build_auth_layer(db_pool.clone(), key_val_pool, config.auth.cookies_secure);
 
-    #[cfg(debug_assertions)]
-    if let Some(dx_port) = cli_config::server_port()
-        && dx_port != config.server.port
-    {
-        tracing::warn!(
-            "Your configured server port ({}) doesn't match the one specified from environment \
-            variables set by the Dioxus CLI ({dx_port}). If you are intending to use the dx tool, \
-            please do not specify a port in the configuration.",
-            config.server.port
-        );
-    }
-
     let addr = config.server.serve_addr();
 
     tracing::info!("Setup complete, building router...");