song-of-the-day/song_of_the_day/Data/DataContext.cs

using Microsoft.EntityFrameworkCore;

public class DataContext : DbContext
{
    public static DataContext Instance;

    public DbSet<User> Users { get; set; }
    public DbSet<Song> Songs { get; set; }
    public DbSet<SongSuggestion> SongSuggestions { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        => optionsBuilder.UseNpgsql(@"Host=192.168.1.108:5477;Username=sotd;Password=SotdP0stgresP4ss;Database=sotd");
}