Add HTTP to HTTPS redirect configuration using embedded Tomcat

- HTTP connector on port 8080 redirects to HTTPS (8443).
- Ensures users accessing http:// are forwarded to https://
- No need for external proxy (e.g., Nginx) for redirection.

src/main/java/com/skycrate/backend/skycrateBackend/config/HttpToHttpsRedirectConfig.java

@@ -0,0 +1,23 @@
+package com.skycrate.backend.skycrateBackend.config;
+
+import org.apache.catalina.connector.Connector;
+import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
+import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class HttpToHttpsRedirectConfig {
+
+    @Bean
+    public WebServerFactoryCustomizer<TomcatServletWebServerFactory> containerCustomizer() {
+        return factory -> {
+            Connector connector = new Connector(TomcatServletWebServerFactory.DEFAULT_PROTOCOL);
+            connector.setScheme("http");
+            connector.setPort(8080); // HTTP port
+            connector.setSecure(false);
+            connector.setRedirectPort(8443); // HTTPS port
+            factory.addAdditionalTomcatConnectors(connector);
+        };
+    }
+}