DEMOMySql/MicroServices/DigitalManufacturing/DigitalManufacturing.Host/EntityFrameworkCore/DigitalManufacturingMigrationDbContextFactory.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Design;
using Microsoft.Extensions.Configuration;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;

namespace Procurement.EntityFrameworkCore
{
    public class DigitalManufacturingMigrationDbContextFactory : IDesignTimeDbContextFactory<DigitalManufacturingMigrationDbContext>
    {
        public DigitalManufacturingMigrationDbContext CreateDbContext(string[] args)
        {
            var configuration = BuildConfiguration();

            var builder = new DbContextOptionsBuilder<DigitalManufacturingMigrationDbContext>()
                .UseMySql(configuration.GetConnectionString("Default"),MySqlServerVersion.LatestSupportedServerVersion);

            return new DigitalManufacturingMigrationDbContext(builder.Options);
        }

        private static IConfigurationRoot BuildConfiguration()
        {
            var builder = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("appsettings.json", optional: false);

            return builder.Build();
        }
    }
}