install-package automapper

Install-Package AutoMapper.Extensions.Microsoft.DependencyInjection

  using AutoMapper;  



public void ConfigureServices(IServiceCollection services)
        {
            
            services.AddMvc();
            services.AddAutoMapper();
        }

public class UserMappingProfile:Profile
    {
        public UserMappingProfile()
        {
            CreateMap<User, UserPost>();
            CreateMap<UserPost,User >()
                
                .ForMember(dest=>dest.Username,src=>src.Ignore())
                .ForMember(dest=>dest.Email,src=>src.Ignore());
        }
    }

 private readonly IMapper _mapper;
        public UserController(IMapper mapper) 
        {
            _mapper = mapper;
        }

 public async Task<UserPost> FindUser(string username)
        {
            var users = await _userServices.GetUser(username);
            var user = _mapper.Map<User,UserPost>(users);
            return user;
        }

dotnet new sln

>dotnet sln add mymvc/mymvc.csproj
Project `mymvc\mymvc.csproj` added to the solution.
>dotnet sln add models/models.csproj
Project `models\models.csproj` added to the solution.