diff --git a/backend/src/controllers/auth/auth_basic.cpp b/backend/src/controllers/auth/auth_basic.cpp
index 1b0cfbb..49f9d76 100644
--- a/backend/src/controllers/auth/auth_basic.cpp
+++ b/backend/src/controllers/auth/auth_basic.cpp
@@ -87,7 +87,7 @@ namespace api {
             user_mapper.insert(new_user);
             generate_root(new_user);
             cbk(dto::Responses::get_success_res());
-        } catch (const std::exception& e) {
+        } catch (const std::exception&) {
             cbk(dto::Responses::get_badreq_res("Validation error"));
         }
     }
diff --git a/backend/src/main.cpp b/backend/src/main.cpp
index c1186a8..d67109e 100644
--- a/backend/src/main.cpp
+++ b/backend/src/main.cpp
@@ -1,10 +1,13 @@
 #include <filesystem>
+#include <fstream>
 
 #include <drogon/drogon.h>
 #include <curl/curl.h>
 
 #include "dto/dto.h"
 
+bool dev_mode = false;
+
 void cleanup() {
     std::cout << "Stopping..." << std::endl;
     drogon::app().quit();
@@ -14,7 +17,26 @@ void cleanup() {
     std::cout << "Goodbye!" << std::endl;
 }
 
-int main() {
+std::string get_index_content() {
+    std::ifstream file("./static/index.html");
+    return {std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>()};
+}
+
+void default_handler(const drogon::HttpRequestPtr& req, std::function<void(const drogon::HttpResponsePtr&)>&& cbk) {
+    static std::string index_html = get_index_content();
+    if (req->path().starts_with("/api")) {
+        std::cout << "Unknown api request: " << req->getMethodString() << " " << req->path() << std::endl;
+        cbk(drogon::HttpResponse::newNotFoundResponse());
+    } else {
+        if (dev_mode) cbk(drogon::HttpResponse::newFileResponse("./static/index.html"));
+        else cbk(drogon::HttpResponse::newFileResponse((unsigned char*)index_html.data(), index_html.size()));
+    }
+}
+
+int main(int argc, char* argv[]) {
+    std::vector<std::string> args(argv+1, argv+argc);
+    if (std::find(args.begin(), args.end(), "--dev") != args.end()) dev_mode = true;
+    if (dev_mode) std::cout << "Starting in development mode" << std::endl;
     std::cout << "Setting up..." << std::endl;
     std::cout << "Initializing curl..." << std::flush;
     curl_global_init(CURL_GLOBAL_ALL);
@@ -87,16 +109,17 @@ int main() {
     config["plugins"].append(access_logger);
 
     drogon::app()
-            .setClientMaxBodySize(1024L * 1024L * 1024L * 1024L) // 1 TB
+            .setClientMaxBodySize(std::numeric_limits<size_t>::max())
 
             .loadConfigJson(config)
 
             .createDbClient("sqlite3", "", 0, "", "", "", 1, "sqlite.db")
 
-            .setCustom404Page(drogon::HttpResponse::newFileResponse("./static/index.html"), false)
+            .setDefaultHandler(default_handler)
+
             .setDocumentRoot("./static")
             .setBrStatic(true)
-            .setStaticFilesCacheTime(0)
+            .setStaticFilesCacheTime(dev_mode ? -1 : 0)
 
             .setLogPath("./logs")
             .setLogLevel(trantor::Logger::LogLevel::kDebug)
@@ -104,7 +127,7 @@ int main() {
             .setIntSignalHandler(cleanup)
             .setTermSignalHandler(cleanup)
 
-            .addListener("0.0.0.0", 1234)
+            .addListener("0.0.0.0", 5678)
             .setThreadNum(2);
     std::cout << "Setup done!" << std::endl;