elsa-core/src/samples/server/Elsa.Samples.Server.Host/Startup.cs

using Elsa.Persistence.EntityFramework.Core.Extensions;
using Elsa.Persistence.EntityFramework.Sqlite;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace Elsa.Samples.Server.Host
{
    public class Startup
    {
        public Startup(IWebHostEnvironment environment, IConfiguration configuration)
        {
            Environment = environment;
            Configuration = configuration;
        }

        private IWebHostEnvironment Environment { get; }
        private IConfiguration Configuration { get; }

        public void ConfigureServices(IServiceCollection services)
        {
            var elsaSection = Configuration.GetSection("Elsa");

            services
                .AddElsa(elsa => elsa
                    .UseEntityFrameworkPersistence(ef => ef.UseSqlite())
                    .AddConsoleActivities()
                    .AddHttpActivities(elsaSection.GetSection("Http").Bind)
                    .AddEmailActivities(elsaSection.GetSection("Smtp").Bind)
                    .AddQuartzTemporalActivities()
                    .AddWorkflowsFrom<Startup>()
                );

            services
                .AddElsaApiEndpoints()
                .AddElsaSwagger();
            
            // Allow arbitrary client browser apps to access the API for demo purposes only.
            // In a production environment, make sure to allow only origins you trust.
            services.AddCors(cors => cors.AddDefaultPolicy(policy => policy.AllowAnyHeader().AllowAnyMethod().AllowAnyOrigin()));
        }

        public void Configure(IApplicationBuilder app)
        {
            if (Environment.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "Elsa"));
            }

            app
                .UseCors()
                .UseHttpActivities()
                .UseRouting()
                .UseEndpoints(configure => configure.MapControllers());
        }
    }
}