ErsatzTV/ErsatzTV.Infrastructure/Data/Configurations/ConfigElementConfiguration.cs

using ErsatzTV.Core.Domain;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace ErsatzTV.Infrastructure.Data.Configurations
{
    public class ConfigElementConfiguration : IEntityTypeConfiguration<ConfigElement>
    {
        public void Configure(EntityTypeBuilder<ConfigElement> builder) =>
            builder.HasIndex(ce => ce.Key)
                .IsUnique();
    }
}