Code to run wifi and server

server_utils.h

#include <WiFi.h>
#include <WebServer.h>

const char* SSID = "YOUR_SSID";
const char* PWD = "YOUR_PASSWORD";
const String serverHostname = "esp32";
const int serverPort = 80;
// Set your Static IP address
const IPAddress serverIP(192, 168, 1, 184);
// Set your Gateway IP address
const IPAddress serverGateway(192, 168, 1, 1);
const IPAddress serverSubnet(255, 255, 0, 0);
const IPAddress serverPrimaryDNS(8, 8, 8, 8);   // optional
const IPAddress serverSecondaryDNS(8, 8, 4, 4); // optional
WebServer server(serverPort);

void connectToWiFi() {
  preferences.begin(credentialsNamespace);
  Serial.print("Connecting to ");
  Serial.println(preferences.getString("ssid"));

  WiFi.begin(preferences.getString("ssid").c_str(), preferences.getString("pwd").c_str());
  preferences.end();
  
  while (WiFi.status() != WL_CONNECTED) {
      Serial.print(".");
      delay(500);
      // we can even make the ESP32 to sleep
  }
  Serial.print("Connected. IP: ");
  Serial.println(WiFi.localIP());
}

void endWifi(){
  WiFi.disconnect();
}