public void ConfigureServices()

in UnicornStore/Startup.cs [32:110]
53 lines of code
2 McCabe index (conditional complexity)

        public void ConfigureServices(IServiceCollection services)
        {
            // The UNICORNSTORE_DBSECRET is stored in AWS Secrets Manager
            // The value is loaded as an Environment Variable in a JSON string
            // The key/value pairs are mapped to the Configuration
            if (Configuration["UNICORNSTORE_DBSECRET"] != null)
            {
                var unicorn_envvariables = Configuration["UNICORNSTORE_DBSECRET"];
                var document = JsonDocument.Parse(unicorn_envvariables);
                var root = document.RootElement;
                Configuration["UNICORNSTORE_DBSECRET:username"] = root.GetProperty("username").GetString();
                Configuration["UNICORNSTORE_DBSECRET:password"] = root.GetProperty("password").GetString();
                Configuration["UNICORNSTORE_DBSECRET:host"] = root.GetProperty("host").GetString();
            }

            var sqlconnectionbuilder = new SqlConnectionStringBuilder(
                Configuration.GetConnectionString("UnicornStore"));
            sqlconnectionbuilder.Password = Configuration["UNICORNSTORE_DBSECRET:password"];
            sqlconnectionbuilder.UserID = Configuration["UNICORNSTORE_DBSECRET:username"];
            sqlconnectionbuilder.DataSource = Configuration["UNICORNSTORE_DBSECRET:host"];
            _connection = sqlconnectionbuilder.ConnectionString;

            services.AddDbContext<UnicornStoreContext>(options =>
                options.UseSqlServer(_connection));


            // Add Identity services to the services container
            services.AddIdentity<ApplicationUser, IdentityRole>()
                    .AddEntityFrameworkStores<UnicornStoreContext>()
                    .AddDefaultTokenProviders();

            services.ConfigureApplicationCookie(options => options.AccessDeniedPath = "/Home/AccessDenied");

            services.AddCors(options =>
            {
                options.AddPolicy("CorsPolicy", builder =>
                {
                    builder.WithOrigins("http://example.com");
                });
            });

            services.AddLogging();

            // Add MVC services to the services container
            services.AddControllersWithViews();
            services.AddRazorPages();

            services.AddOptions();

            // Add the Healthchecks
            // https://github.com/Xabaril/AspNetCore.Diagnostics.HealthChecks
            // AspNetCore.Diagnostics.HealthChecks isn't maintained or supported by Microsoft.
            services.AddHealthChecks()
                .AddCheck("self", () => HealthCheckResult.Healthy())
                .AddSqlServer(_connection,
                    name: "UnicornDB-check",
                    tags: new string[] { "UnicornDB" });

            // Add memory cache services
            services.AddMemoryCache();
            services.AddDistributedMemoryCache();

            // Add session related services.
            services.AddSession();

            // Add the system clock service
            services.AddSingleton<ISystemClock, SystemClock>();

            // Configure Auth
            services.AddAuthorization(options =>
            {
                options.AddPolicy(
                    "ManageStore",
                    authBuilder =>
                    {
                        authBuilder.RequireClaim("ManageStore", "Allowed");
                    });
            });
        }