diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b2c48b..a62fbad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,7 +106,7 @@ if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     add_definitions(-DDEBUG)
 elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
     message(STATUS "Release build: adding optimization flags")
-    add_compile_options(-O3)
+    add_compile_options(-O2 -g -Wall -Wextra -Werror)
     add_definitions(-DNDEBUG)
 elseif(CMAKE_BUILD_TYPE STREQUAL "ASAN")
     message(STATUS "AddressSanitizer build: adding sanitizer flags")
diff --git a/config/default.conf b/config/default.conf
index 388276a..34d4c35 100644
--- a/config/default.conf
+++ b/config/default.conf
@@ -42,8 +42,8 @@ server {
         allowed_methods GET;
     }
 
-    cgi_enabled yes;
-    cgi_ext .php /usr/bin/php-cgi;
+    # cgi_enabled yes;
+    # cgi_ext .php /usr/bin/php-cgi;
 }
 
 server {
@@ -85,6 +85,6 @@ server {
     #     allowed_methods GET;
     # }
 
-    cgi_enabled yes;
-    cgi_ext .php /usr/bin/php-cgi;
+    # cgi_enabled yes;
+    # cgi_ext .php /usr/bin/php-cgi;
 }
\ No newline at end of file
diff --git a/webserv/client/Client.cpp b/webserv/client/Client.cpp
index 563fc87..281d993 100644
--- a/webserv/client/Client.cpp
+++ b/webserv/client/Client.cpp
@@ -15,8 +15,8 @@
 #include <sys/types.h> // for ssize_t
 
 Client::Client(std::unique_ptr<Socket> socket, Server &server)
-    : client_socket_(std::move(socket)), server_(std::ref(server)), httpRequest_(std::make_unique<HttpRequest>(this)),
-      httpResponse_(std::make_unique<HttpResponse>())
+    : httpRequest_(std::make_unique<HttpRequest>(this)), httpResponse_(std::make_unique<HttpResponse>()), client_socket_(std::move(socket)),
+      server_(std::ref(server))
 {
     Log::trace(LOCATION);
     Log::info("New client connected, fd: " + std::to_string(client_socket_->getFd()));
@@ -98,6 +98,7 @@ std::vector<uint8_t> Client::getResponse() const
     Log::trace(LOCATION);
 
     const Router &router = server_.getRouter();
+    static_cast<void>(router); // Suppress unused variable warning
     auto response = Router::handleRequest(*httpRequest_);
     return response->toBytes();
 }
\ No newline at end of file
diff --git a/webserv/client/Client.hpp b/webserv/client/Client.hpp
index 05d5228..6a8b8cc 100644
--- a/webserv/client/Client.hpp
+++ b/webserv/client/Client.hpp
@@ -50,5 +50,5 @@ class Client
     std::unique_ptr<HttpResponse> httpResponse_ = nullptr;
     std::unique_ptr<Socket> client_socket_;
     Server &server_;
-    mutable const ServerConfig *server_config_ = nullptr;
+    // mutable const ServerConfig *server_config_ = nullptr;
 };
\ No newline at end of file
diff --git a/webserv/config/AConfig.cpp b/webserv/config/AConfig.cpp
index fbdf9f8..d29e219 100644
--- a/webserv/config/AConfig.cpp
+++ b/webserv/config/AConfig.cpp
@@ -84,7 +84,7 @@ void AConfig::parseDirectives(const std::string &declarations)
 std::string AConfig::getErrorPage(int statusCode) const
 {
     // TODO
-    const ADirective *directive = getDirective("error_page");
+    Log::trace(LOCATION);    
     for (const auto &directive : directives_)
     {
         if (directive->getName() == "error_page")
diff --git a/webserv/config/GlobalConfig.hpp b/webserv/config/GlobalConfig.hpp
index dd6fdfe..530130e 100644
--- a/webserv/config/GlobalConfig.hpp
+++ b/webserv/config/GlobalConfig.hpp
@@ -26,7 +26,7 @@ class GlobalConfig : public AConfig
     [[nodiscard]] std::vector<ServerConfig *> getServerConfigs() const;
 
   private:
-    AConfig *parent_ = nullptr;
+    // AConfig *parent_;
     std::vector<std::unique_ptr<ServerConfig>> servers_;
 
     void parseBlock(const std::string &block) override;
diff --git a/webserv/config/ServerConfig.hpp b/webserv/config/ServerConfig.hpp
index 19423eb..2f5f1d2 100644
--- a/webserv/config/ServerConfig.hpp
+++ b/webserv/config/ServerConfig.hpp
@@ -29,7 +29,7 @@ class ServerConfig : public AConfig
 
   private:
     std::map<std::string, std::unique_ptr<LocationConfig>> locations_;
-    AConfig *parent_ = nullptr;
+    // AConfig *parent_;
 
     void parseBlock(const std::string &block) override;
 };
\ No newline at end of file
diff --git a/webserv/config/validation/ConfigValidator.cpp b/webserv/config/validation/ConfigValidator.cpp
index 67b4c3e..f18027e 100644
--- a/webserv/config/validation/ConfigValidator.cpp
+++ b/webserv/config/validation/ConfigValidator.cpp
@@ -27,13 +27,13 @@ ConfigValidator::ConfigValidator(const GlobalConfig *config) : engine_(std::make
     /*Server Directive Rules*/
     engine_->addServerRule("listen", std::make_unique<PortValidationRule>());
     engine_->addServerRule("host", std::make_unique<HostValidationRule>());
-    engine_->addServerRule("root", std::make_unique<FolderExistsRule>(true));
+    engine_->addServerRule("root", std::make_unique<FolderExistsRule>(false));
 
     /*Location Directive Rules*/
     engine_->addLocationRule("allowed_methods",
                              std::make_unique<AllowedValuesRule>(std::vector<std::string>{"GET", "POST", "DELETE"}));
     engine_->addLocationRule("root", std::make_unique<FolderExistsRule>(true));
-    engine_->addLocationRule("cgi_ext", std::make_unique<CgiExtValidationRule>(true));
+    engine_->addLocationRule("cgi_ext", std::make_unique<CgiExtValidationRule>(false));
 
     engine_->validate();
 }
diff --git a/webserv/config/validation/directive_rules/RequiredDirectiveRule.cpp b/webserv/config/validation/directive_rules/RequiredDirectiveRule.cpp
index 460c939..1a8920c 100644
--- a/webserv/config/validation/directive_rules/RequiredDirectiveRule.cpp
+++ b/webserv/config/validation/directive_rules/RequiredDirectiveRule.cpp
@@ -11,5 +11,7 @@ RequiredDirectiveRule::RequiredDirectiveRule()
 
 ValidationResult RequiredDirectiveRule::validateValue(const AConfig *config, const std::string &directiveName) const
 {
+    static_cast<void>(config); // Suppress unused parameter warning
+    static_cast<void>(directiveName);
     return ValidationResult::success();
 }
\ No newline at end of file
diff --git a/webserv/handler/FileHandler.cpp b/webserv/handler/FileHandler.cpp
index fe17c4d..e590a7e 100644
--- a/webserv/handler/FileHandler.cpp
+++ b/webserv/handler/FileHandler.cpp
@@ -85,6 +85,7 @@ std::unique_ptr<HttpResponse> FileHandler::getResponse() const
 
 FileHandler::ResourceType FileHandler::getResourceType(const std::string &path) const
 {
+    static_cast<void>(path);
     Log::trace(LOCATION);
 
     if (uriParser_.isFile())
diff --git a/webserv/router/Router.cpp b/webserv/router/Router.cpp
index d70515c..7d3b9de 100644
--- a/webserv/router/Router.cpp
+++ b/webserv/router/Router.cpp
@@ -45,6 +45,7 @@ std::unique_ptr<HttpResponse> Router::handleRequest(const HttpRequest &request)
     URIParser uriParser{request.getTarget(), *config};
 
     const std::string &target = request.getTarget();
+    static_cast<void>(target); // Suppress unused variable warning
     const std::string &method = request.getMethod();
 
     const LocationConfig *location = uriParser.getLocation();