Added Joi for schema validation, tidied up envs

src/auth/auth-services/user.auth.service.ts

@@ -75,7 +75,7 @@ export class UserAuthService {
       role: "user",
     };
     const accToken = this.jwtService.sign(payload, {
-      secret: `${process.env.SECRET}`,
+      secret: `${process.env.JWT_SECRET}`,
     });
     await this.userDbService.findOneAndUpdate(
       { username: user.username },
@@ -162,10 +162,7 @@ export class UserAuthService {
       process.env.AUTH_SMS_TEMPLATE,
     );
     if (!ok) {
-      throw new HttpException(
-        "auth sms send failed",
-        HttpStatus.BAD_GATEWAY,
-      );
+      throw new HttpException("auth sms send failed", HttpStatus.BAD_GATEWAY);
     }
     this.logger.log(
       `Auth OTP SMS accepted by provider phone=${mobile} otp=${otp}`,