Merge pull request #606 from aspnetboilerplate/pr/6133

DB migration based on environment

Author: ismcagdas

aspnet-core/src/AbpCompanyName.AbpProjectName.EntityFrameworkCore/EntityFrameworkCore/AbpProjectNameDbContextFactory.cs

@@ -12,6 +12,13 @@ public class AbpProjectNameDbContextFactory : IDesignTimeDbContextFactory<AbpPro
         public AbpProjectNameDbContext CreateDbContext(string[] args)
         {
             var builder = new DbContextOptionsBuilder<AbpProjectNameDbContext>();
+            
+            /*
+             You can provide an environmentName parameter to the AppConfigurations.Get method. 
+             In this case, AppConfigurations will try to read appsettings.{environmentName}.json.
+             Use Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") method or from string[] args to get environment if necessary.
+             https://docs.microsoft.com/en-us/ef/core/cli/dbcontext-creation?tabs=dotnet-core-cli#args
+             */
             var configuration = AppConfigurations.Get(WebContentDirectoryFinder.CalculateContentRootFolder());
 
             AbpProjectNameDbContextConfigurer.Configure(builder, configuration.GetConnectionString(AbpProjectNameConsts.ConnectionStringName));