.Web.Host appsettings.json connection string for localdb.
"ConnectionStrings": {
"Default": "Data Source=(localdb)\\MSSQLLocalDB; Initial Catalog=PeopleProject;"
}.EntityFrameworkCore project references
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="1.1.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="1.1.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="1.1.1" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="1.1.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.1" />
</ItemGroup>.EntityFrameworkCore CLI reference
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.EntityFrameworkCore.Tools.DotNet" Version="1.0.1" />
</ItemGroup>