{"id":11250,"date":"2023-01-27T17:59:24","date_gmt":"2023-01-27T09:59:24","guid":{"rendered":"https:\/\/ihower.tw\/blog\/?p=11250"},"modified":"2025-07-04T08:02:48","modified_gmt":"2025-07-04T00:02:48","slug":"domain-driven-design-rails","status":"publish","type":"post","link":"https:\/\/ihower.tw\/blog\/11250-domain-driven-design-rails","title":{"rendered":"\u6dfa\u8ac7\u6211\u5c0d Domain-Driven Design \u7684\u7406\u89e3\u548c Rails \u4e2d\u7684\u5be6\u4f5c"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"374\" height=\"500\" data-attachment-id=\"11494\" data-permalink=\"https:\/\/ihower.tw\/blog\/11250-domain-driven-design-rails\/51k0eonoqtl\" data-orig-file=\"https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL.jpg\" data-orig-size=\"374,500\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"51K0eOnoQTL\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL-224x300.jpg\" data-large-file=\"https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL.jpg\" src=\"https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL.jpg\" alt=\"\" class=\"wp-image-11494\" srcset=\"https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL.jpg 374w, https:\/\/ihower.tw\/blog\/wp-content\/uploads\/2023\/01\/51K0eOnoQTL-224x300.jpg 224w\" sizes=\"auto, (max-width: 374px) 100vw, 374px\" \/><\/figure>\n\n\n\n<p>Domain-Driven Design (DDD)\u662f\u4e00\u9580\u4e0d\u660e\u89ba\u53b2\u7684\u8edf\u9ad4\u67b6\u69cb\u8a2d\u8a08\u7406\u8ad6\uff0c\u672c\u6587\u6574\u7406\u4e86\u6211\u7684\u7406\u89e3\uff0c\u4ee5\u53ca\u5728 Ruby on Rails \u4e2d\u600e\u9ebc\u6d3e\u4e0a\u7528\u5834\u3002<\/p>\n\n\n\n<p>\u6211\u767c\u73fe DDD \u6bcf\u500b\u4eba\u770b\u5230\u7684\u91cd\u9ede\u90fd\u4e0d\u4e00\u6a23\uff0c\u6211\u5230\u73fe\u5728\u9084\u662f\u89ba\u5f97\u6709\u7a2e\u778e\u5b50\u6478\u8c61\u7684\u611f\u89ba\u3002<\/p>\n\n\n\n<p>\u6211\u60f3\u9019\u662f\u56e0\u70ba DDD \u662f\u500b\u5927\u96dc\u71f4\uff0c\u628a\u8edf\u9ad4\u9700\u6c42\u7ba1\u7406\u3001\u5927\u67b6\u69cb\u3001\u5c0f\u67b6\u69cb \u5728\u540c\u4e00\u500b\u7406\u8ad6\u4e0b\u89e3\u91cb\u3002\u56e0\u6b64\u4e09\u500b\u90e8\u5206\uff0c\u770b\u4f60\u611b\u8b1b\u54ea\u4e00\u584a\uff0c\u6bcf\u500b\u4eba\u770b\u7684\u91cd\u9ede\u4e0d\u540c\u3002<\/p>\n\n\n\n<p> 1. \u548c\u9818\u57df\u5c08\u5bb6\u7684\u5171\u901a\u8a9e\u8a00\uff0c\u91cd\u9ede\u653e\u5728\u8207\u9818\u57df\u5c08\u5bb6\u7684\u6e9d\u901a \u3002\u6211\u8a8d\u70ba\u9019\u4e00\u584a\u5c31\u662f\u9700\u6c42\u7ba1\u7406\u3001\u8edf\u9ad4\u898f\u683c\u3001\u5efa\u6a21\u65b9\u6cd5\u7b49\u3002\u6709\u5f88\u591a\u5176\u4ed6\u66f8(\u4f8b\u5982 User Story Mapping)\u8ddf\u9019\u90e8\u5206\u91cd\u758a\u4e86\uff0c\u8b1b\u7684\u4e5f\u6bd4 DDD \u8a73\u7d30\u5b8c\u6574\u3002<\/p>\n\n\n\n<p>2. \u5927\u67b6\u69cb\u6230\u7565\u5c64\u6b21: \u62c6\u89e3\u4e0d\u540c\u9818\u57df\uff0c\u4f8b\u5982\u7528 microservice \u4f86\u505a\uff0c\u6216\u662f\u7528 Modular \u4f86\u505a(\u4e0b\u8ff0) \u3002\u6211\u8a8d\u70ba\u9019\u4e00\u584a\u662f DDD \u6bd4\u8f03\u7cbe\u5f69\u7684\u90e8\u5206\uff0c\u4e5f\u662f\u6211\u8a8d\u70ba\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002<\/p>\n\n\n\n<p>3. \u5c0f\u67b6\u69cb\u6230\u8853\u5c64\u6b21: \u4f8b\u5982 Service Object\u3002\u6211\u8a8d\u70ba\u9019\u4e00\u584a\u504f\u5411\u7269\u4ef6\u5c0e\u5411\u7406\u8ad6\uff0c\u6211\u89ba\u5f97\u4e5f\u4e0d\u662f\u91cd\u9ede\uff0c\u6709\u5f88\u591a\u5176\u4ed6\u8b1b\u7269\u4ef6\u5c0e\u5411\u7684\u66f8\u5728\u8b1b\u4e86\uff0c\u4f8b\u5982 SOLID \u548c\u5404\u7a2e Design Pattern \u7b49\u7b49\u3002\u7528\u4e86\u9019\u4e9b\u62db\u6578\uff0c\u4e5f\u4e0d\u8868\u793a\u5c31\u662f DDD\u3002\u9019\u584a\u9084\u6709\u51fa\u4e00\u4e9b\u5f88\u9032\u968e\u7684\u5927\u67b6\u69cb\u5e38\u8ddfDDD\u4e00\u8d77\u8a0e\u8ad6\uff0c\u4f8b\u5982 Hexagonal Architecture, Clean Architecture \u7b49\u7b49\uff0c\u4f46\u6211\u89ba\u5f97\u90fd\u592a\u96e3\u7406\u89e3\u5c0e\u5165\u4e86\uff0c\u5df2\u7d93\u9060\u96e2DDD\u7684\u672c\u8cea\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u790e\u7406\u8ad6<\/h3>\n\n\n\n<p>DDD \u7684\u8056\u7d93\u672c\u662f <a href=\"https:\/\/www.tenlong.com.tw\/products\/9789864343874\">\u9818\u57df\u9a45\u52d5\u8a2d\u8a08<\/a>\uff0c\u4e0d\u904e\u6211\u771f\u6b63\u6709\u770b\u5b8c\u7684\u662f\u9019\u5169\u672c <a href=\"https:\/\/www.tenlong.com.tw\/products\/9787121348525\">\u9818\u57df\u9a45\u52d5\u8a2d\u8a08\u7cbe\u7cb9<\/a> \u8ddf <a href=\"https:\/\/www.infoq.cn\/minibook\/domain-driven-design-quickly\">\u9886\u57df\u9a71\u52a8\u8bbe\u8ba1\u7cbe\u7b80\u7248<\/a>\uff0c\u91cd\u9ede\u5927\u7d04\u662f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bounded Context \u8ddf Ubiquitous Language\n<ul class=\"wp-block-list\">\n<li>Subdomain, Core Domain, Supporting Subdomain, Generic Subdomain \u7b49\u7b49\u6982\u5ff5<\/li>\n\n\n\n<li>\u5927\u9ad4\u4e0a\u5c31\u662f\u5c07\u8edf\u9ad4\u5207\u958b\u6210\u4e0d\u6210\u9818\u57df\uff0c\u6bcf\u500b\u9818\u57df\u5167\u6709\u81ea\u5df1\u7d71\u4e00\u7684\u9818\u57df\u8a9e\u8a00\uff0c\u8b93\u6240\u6709\u95dc\u4fc2\u4eba(\u5305\u62ecPM\u8ddf\u958b\u767c\u4eba\u54e1)\u90fd\u7528\u4e00\u6a23\u7684\u8a9e\u8a00\u6e9d\u901a<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Context Mapping\n<ul class=\"wp-block-list\">\n<li>\u63cf\u8ff0\u5404\u7a2e bundled context \u4e4b\u9593\u7684\u6e9d\u901a\u65b9\u5f0f\u548c API \u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Entity, Aggregate, Value Object, Service\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u7fa9\u6a21\u578b\u7269\u4ef6\u7684\u7a2e\u985e\uff0c\u7b97\u7269\u4ef6\u5c0e\u5411\u7684\u5e38\u8b58\u4e86<\/li>\n\n\n\n<li>\u6839\u64da\u696d\u52d9\uff0c\u7528 transaction \u70ba\u55ae\u4f4d\u9694\u96e2\u51fa\u4f86<\/li>\n\n\n\n<li>\u4e0d\u9700\u8981\u5373\u6642\u7684\uff0c\u975e transaction \u7684\uff0c\u5247\u62c6\u958b\u4e0d\u540c aggregate \u7528\u975e\u540c\u6b65\u8655\u7406<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Domain Event \u9818\u57df\u4e8b\u4ef6\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u9700\u8981\u540c\u4e00\u500b transaction \u7684\u5176\u4ed6\u64cd\u4f5c\uff0c\u7528\u975e\u540c\u6b65\u7684 event \u767c\u5e03\u51fa\u53bb<\/li>\n\n\n\n<li>\u7528\u65bc\u8de8 bounded contexts \u7684\u975e\u540c\u6b65(de-couple)\u6e9d\u901a<\/li>\n\n\n\n<li>\u9019\u4e5f\u53ef\u4ee5\u5b58\u4e0b\u4f86<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5efa\u6a21\u65b9\u6cd5\n<ul class=\"wp-block-list\">\n<li>\u548c\u9818\u57df\u5c08\u5bb6\u505a \u201c\u4e8b\u4ef6\u98a8\u66b4 Event Storming\u201d\u3002\u4f46\u5176\u4ed6\u65b9\u6cd5\u4e5f\u5927\u540c\u5c0f\u7570\u7684\u6a23\u5b50\uff0c\u5305\u62ec:\n<ul class=\"wp-block-list\">\n<li>Specification by Example \u4f46\u9019\u500b\u4f5c\u8005\u8a8d\u70ba\u6703\u984d\u5916\u8cbb\u5de515%~25%\u2026. XD<\/li>\n\n\n\n<li>Impact Mapping<\/li>\n\n\n\n<li>User Story Mapping<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Event Storming \u5728 DDD \u8056\u7d93\u672c\u4e26\u6c92\u6709\uff0c\u6211\u5176\u5be6\u4e0d\u559c\u6b61\u5f8c\u4f86\u9019\u88ab\u52a0\u9032 DDD \u88e1\u9762\u4e00\u8d77\u8b1b\u3002\u6211\u4e4b\u524d\u4e5f\u6709\u82b1\u9322\u4e0a\u904e\u8ab2\u7a0b\uff0c\u4e5f\u807d\u904e\u73fe\u5834\u6f14\u793a\uff0c\u4f46\u4e0a\u5b8c\u7684\u611f\u89ba\u5c31\u662f\u770b\u4e0d\u51fa\u4f86\u8ddf User Story \u9700\u6c42\u6536\u96c6\u6709\u4ec0\u9ebc\u4e0d\u4e00\u6a23\u3002DDD \u6211\u8a8d\u70ba\u9084\u662f\u8b1b\u6280\u8853\u5c31\u597d\uff0c\u786c\u662f\u628a\u9700\u6c42\u7ba1\u7406\u4e5f\u7d0d\u9032\u4f86\u5305\u5c71\u5305\u6d77\u90fd\u8b1b\uff0c\u6211\u89ba\u5f97\u592a\u5206\u6563\u91cd\u9ede\u4e86\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5\u4e0a\u5c31\u57fa\u790e\u7406\u8ad6\u4f86\u8aaa\uff0c\u5176\u5be6\u4e5f\u4e0d\u662f\u9019\u9ebc\u96e3\u3002\u672c\u8cea\u76ee\u6a19\u5c31\u662f\u5927\u578b\u8edf\u9ad4\u9700\u8981\u505a(\u6982\u5ff5\u4e0a\u7684)\u5207\u5206\u3002\u5269\u4e0b\u7684\u554f\u984c\u662f\u5982\u4f55\u5be6\u4f5c\u3002<\/p>\n\n\n\n<p>\u66f4\u591aDDD\u4ecb\u7d39\u53ef\u4ee5\u53c3\u8003<a href=\"https:\/\/ithelp.ithome.com.tw\/articles\/10216792\"> DDD \u5b78\u7fd2\u8def\u5f91\u8207\u8cc7\u6e90\u5206\u4eab<\/a>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5be6\u4f5c<\/h3>\n\n\n\n<p>\u6211\u8a8d\u70baDDD\u5176\u5be6\u662f\u6c92\u6709\u544a\u8a34\u4f60\u4e00\u5b9a\u8981\u600e\u9ebc\u5be6\u4f5c\u5207\u5206\u7684\uff0c\u56e0\u6b64\u627e\u6771\u897f\u770b\u7684\u6642\u5019\u5c31\u6703\u589c\u5165\u4e94\u91cc\u9727\uff0c\u4f8b\u5982\u5c31\u662f\u8981\u5f04\u5fae\u670d\u52d9\u624d\u662f DDD? <\/p>\n\n\n\n<p>\u8056\u7d93 Domain-Driven Design \u9019\u672c\u66f8\uff0c\u9019\u672c\u66f8\u4e5f\u6c92\u8b1b\u5fae\u670d\u52d9\u3002\u4f46\u662f\u5f8c\u4eba\u5be6\u4f5c\u6642\uff0c\u5c31\u628a\u5fae\u670d\u52d9\u626f\u5230\u4e5f\u662fDDD\u3002\u505a SOA? \u6216\u662f Clean Architecture (\u9019\u66f4\u96e3\u61c2)?\u6216\u662f Hexagonal Architecture (\u4e5f\u5f88\u96e3\u61c2) \u4ee5\u53ca\u52a0\u4e0a\u9019\u672c <a href=\"https:\/\/www.tenlong.com.tw\/products\/9787121224485\">Implement Domain-Driven Design<\/a> \u66f8\u4e5f\u63d0\u5230\u5f88\u591a\u6280\u5de7\uff0c\u4f8b\u5982 Repository, Event Sourcing \u7b49\u7b49\uff0c\u597d\u50cf\u9019\u4e9b\u8a2d\u8a08\u90fd\u6d3e\u4e0a\u7528\u5834\uff0c\u624d\u662f DDD ? <\/p>\n\n\n\n<p>\u773e\u6240\u5468\u77e5\uff0cRails \u662f\u4e00\u500b\u55ae\u9ad4(Monolithic)\u67b6\u69cb\uff0c\u540c\u4e00\u500b\u61c9\u7528\u76e1\u91cf\u4e0d\u8981\u5be6\u969b\u62c6\u5206\u4e0d\u540c\u5c08\u6848\u3002\u6211\u53cd\u5c0d\u5728 Rails \u4e0a\u7528\u975e\u6a19\u6e96\u7684 MVC \u67b6\u69cb\uff0c\u56e0\u70ba\u9019\u6703\u8b93\u5f8c\u7e8c\u7dad\u8b77\u975e\u5e38\u56f0\u96e3\uff0c\u65b0\u4eba\u4e0a\u624b\u96e3\u5ea6\u7206\u8868\u3002\u4efb\u4f55\u4e00\u500b\u65b0\u624b\u5b78 Rails \u4e09\u500b\u6708\u4e4b\u5f8c\uff0c\u82e5\u9084\u662f\u5b8c\u5168\u770b\u4e0d\u61c2\u4f60\u7684 Rails \u5c08\u6848\u67b6\u69cb\uff0c\u6211\u8a8d\u70ba\u5f88\u53ef\u80fd\u5c31\u662f\u4e0d\u597d\u7684 Rails \u67b6\u69cb(\u9664\u975e\u4f60\u7684\u516c\u53f8\u6709\u5927\u628a\u9810\u7b97\u8ddf\u6642\u7a0b\u53ef\u4ee5\u57f9\u8a13\u65b0\u4eba\u4e0a\u624b\u5566)\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\u5728\u8ffd\u6c42 Rails \u5982\u4f55\u5be6\u8e10 DDD \u7684\u8def\u4e0a\uff0c\u6211\u770b\u5230\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u5f0f\u53ef\u4ee5\u7e7c\u7e8c\u4fdd\u6301 Rails \u55ae\u9ad4 MVC \u7684\u67b6\u69cb\u3002\u57fa\u672c\u4e0a\u6211\u8a8d\u70ba\u53ea\u8981\u53ef\u4ee5\u62c6\u597d\u6a21\u7d44\u908a\u754c\uff0c\u5c31\u7b26\u5408 DDD \u6700\u91cd\u8981\u7684 bounded context \u76ee\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Interface Object<\/h3>\n\n\n\n<p>\u5c0d Rails \u4f86\u8aaa\uff0c\u7b2c\u4e00\u6b65\u4e0d\u61c9\u8a72\u76f4\u63a5\u5c31\u8df3\u53bb SOA \u6216\u5fae\u670d\u52d9\u67b6\u69cb\uff0c\u800c\u662f\u61c9\u8a72\u5148\u5728\u55ae\u9ad4\u67b6\u69cb\u5167\u505a Component \u5207\u5206\u5373\u53ef\uff0c\u660e\u78ba\u5b9a\u7fa9 public interface\uff0c\u53ea\u900f\u904e class method \u547c\u53eb\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u9019\u7bc7\u6587\u7ae0 <a href=\"https:\/\/blog.eq8.eu\/article\/rails-bounded-contexts.html\">Ruby on Rails &#8211; Bounded contexts via interface objects<\/a> \u6240\u7528\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Component-Based Rails Applications (CBRA)<\/h3>\n\n\n\n<p><a href=\"https:\/\/cbra.info\/\">Component-Based Rails Applications<\/a> <\/p>\n\n\n\n<p>\u9019\u672c\u66f8\u63a1\u7528 Rails engine \u4f86\u505a DDD\uff0c\u807d\u8d77\u4f86\u883b\u4e0d\u932f\u7684\uff0c\u5be6\u4f5c\u4e0a\u6703\u78b0\u5230\u7684\u554f\u984c\u6709 <\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>require \u554f\u984c<\/li>\n\n\n\n<li>Migration \u554f\u984c<\/li>\n\n\n\n<li>Testing \u554f\u984c<\/li>\n\n\n\n<li>Asset loading \u554f\u984c<\/li>\n<\/ol>\n\n\n\n<p>\u7e3d\u4e4b\u5c31\u662f\u554f\u984c\u883b\u591a\u7684\uff0c\u7b49\u65bc\u662f Rails Engine \u6709\u4ec0\u9ebc\u5751\uff0c\u4f60\u5c31\u6703\u8e29\u5230\u4ec0\u9ebc\u3002<\/p>\n\n\n\n<p>\u6211\u611f\u89ba Rails Engine \u5728 Rails core \u4e2d\u4e26\u4e0d\u662f\u512a\u5148\u7d1a\u5f88\u9ad8\u7684\u529f\u80fd\uff0c\u793e\u7fa4\u4e5f\u4e0d\u662f\u5f88\u591a\u4eba\u5728\u7528\u9019\u500b\u529f\u80fd\uff0c\u591a\u534a\u662f\u4e00\u4e9b\u7c21\u55ae\u7684\u901a\u7528\u5f8c\u53f0\u5728\u7528\u9019\u500b\u529f\u80fd\u800c\u5df2\u3002 \u56e0\u6b64\u5728\u4f60\u7684\u61c9\u7528\u4e2d\u4f9d\u8cf4\u9019\u500b\u529f\u80fd\uff0c\u6211\u8a8d\u70ba\u662f\u883b\u5371\u96aa\u7684\uff0c\u6703\u6d6a\u8cbb\u5f88\u591a\u6642\u9593\u5728\u8e29\u5751\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u525b\u9ede\u9032\u53bb\u770b\u4f5c\u8005\u5b98\u7db2\uff0c\u767c\u73fe\u4f5c\u8005\u81ea\u5df1\u90fd\u653e\u68c4 CBRA \u9019\u65b9\u5f0f\u4e86\uff0c\u6539\u63a8\u57fa\u65bc package \u7684 <a href=\"https:\/\/gradualmodularization.com\/\">Gradual modularization<\/a> (\u53c8\u4e00\u672c\u65b0\u66f8\u4f5c\u8005\u9084\u5728\u5beb)<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Domain-Driven Rails<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/products-arkency.imgix.net\/domain-driven-rails-design\/cover7-100.png?w=480&amp;h=480&amp;fit=max\" alt=\"\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/products.arkency.com\/domain-driven-rails\/\">products.arkency.com\/domain-driven-rails\/<\/a><\/p>\n\n\n\n<p>\u9019\u672c\u66f8\u7684\u4f5c\u8005 Arkency \u4e5f\u662f\u4e0d\u611b Rails engine\uff0c\u56e0\u70ba\u5b83\u5011\u8a8d\u70ba engine \u4e3b\u8981\u7528\u5728\u62c6 UI (web level)\uff0c\u4f8b\u5982\u62c6 admin UI\uff0c\u4f46\u662f\u62c6 admin UI \u8ddf DDD \u8981\u62c6\u7684 domain \u5176\u5be6\u662f\u5169\u56de\u4e8b\u3002\u53e6\u5916\u5c31\u662f Rails engine \u65b9\u6848\u6703\u4f9d\u8cf4 Rails\uff0c\u9019\u4e5f\u662f Arkency \u4e0d\u559c\u6b61\u7684\u3002<\/p>\n\n\n\n<p>\u5e7e\u500b\u5167\u5bb9\u5fc3\u5f97: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bounded Contexts\n<ul class=\"wp-block-list\">\n<li>\u5176\u5be6\u5c31\u662f\u62c6 namespace\uff0c\u53ea\u900f\u904e explicit class method \u4ecb\u9762\u53bb\u6e9d\u901a<\/li>\n\n\n\n<li>\u8ddf\u4e0a\u8ff0\u7684 Interface Object \u65b9\u5f0f\u975e\u5e38\u985e\u4f3c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Aggregates, value object, services \u662f\u5e38\u8b58\u4e86<\/li>\n\n\n\n<li>Command bus <\/li>\n\n\n\n<li>Domain events \u7528\u5728\u8de8 bounded contexts \u6e9d\u901a de-couple\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u8005\u6709\u51fa\u4e00\u500b Gem: <a href=\"https:\/\/railseventstore.org\/\">railseventstore.org\/<\/a><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>CQRS \u4e3b\u8981\u662f read performance\uff0c\u53e6\u4e00\u500b\u597d\u8655\u5247\u662f\u7c21\u5316 query\uff0c\u6bd4 cache \u4e0d\u6613\u51fa\u932f<\/li>\n\n\n\n<li>Event Sourcing \u5be6\u4f5c\u8d85\u9ad8\u96e3\u5ea6\n<ul class=\"wp-block-list\">\n<li>\u7406\u8ad6\u5f88\u7f8e\u597d\uff0c\u4f46\u5be6\u4f5c\u611f\u89ba\u8d85\u96e3<\/li>\n\n\n\n<li>\u6574\u500b\u6d41\u7a0b\u548c\u601d\u7dad\u8981\u6539\u6210\u7528 event \u7d00\u9304\u70ba\u4e3b\uff0c\u800c\u4e14\u9084\u9700\u8981\u642d\u914d CQRS \u624d\u5be6\u7528\uff0c\u7c21\u76f4\u8d85\u5927\u5de5\u7a0b<\/li>\n\n\n\n<li>\u6709\u770b\u5230\u4e00\u500b Gem \u5957\u4ef6 <a href=\"https:\/\/www.sequent.io\/\">www.sequent.io\/<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>CQRS \u8ddf Event Sourcing \u90fd\u662f DDD \u8056\u7d93\u672c\u6c92\u6709\u7684\u6771\u897f\uff0c\u6211\u8a8d\u70ba\u4e5f\u4e0d\u662f\u5fc5\u8981\u7684\u67b6\u69cb\uff0c\u8981\u770b\u696d\u52d9\u5834\u666f\u9700\u6c42\u5427\u3002\u6211\u6c92\u6709\u5be6\u4f5c\u904e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Shopify \u7684 Packwerk \u65b9\u6848 (Modular Monolith)<\/h3>\n\n\n\n<p>Shopify \u662f\u4e16\u754c\u4e0a\u63a1\u7528 Ruby on Rails \u6700\u5927\u7684\u55ae\u9ad4\u61c9\u7528\u4e4b\u4e00 (\u5728<a href=\"https:\/\/toprubycompanies.info\/\">\u63a1\u7528 Ruby \u7684\u516c\u53f8<\/a>\u5e02\u503c\u6392\u540d\u7b2c\u4e8c) \u5f88\u5177\u6709\u4ee3\u8868\u6027\u3002\u4ed6\u5011\u63a1\u7528\u7684\u7406\u8ad6\u662f Modular Monolith\uff0c\u4e26\u4e14\u91cb\u51fa\u81ea\u5df1\u7684 Packwerk \u5957\u4ef6\u3002\u96d6\u7136\u6587\u4ef6\u4e0a\u6c92\u6709\u7279\u5225\u5f37\u8abf DDD\uff0c\u4f46\u6211\u8a8d\u70ba\u5176\u5be6\u9019\u5c31\u662f\u5728\u5be6\u8e10DDD\u6700\u91cd\u8981\u7684\u7cbe\u795e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>2019 \u5e74\u8ac7 Modular Monoliths <a href=\"https:\/\/shopify.engineering\/deconstructing-monolith-designing-software-maximizes-developer-productivity\">Deconstructing the Monolith: Designing Software that Maximizes Developer Productivity<\/a><\/li>\n\n\n\n<li>2020 \u5e74\u91cb\u51fa <a href=\"https:\/\/shopify.engineering\/enforcing-modularity-rails-apps-packwerk\">Enforcing Modularity in Rails Apps with Packwerk<\/a>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/github.com\/Shopify\/packwerk\">github.com\/Shopify\/packwerk<\/a> <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Modular Monolith \u5176\u5be6\u5462\uff0c\u5c31\u662f\u4ecd\u7136\u4fdd\u6301\u55ae\u9ad4\u61c9\u7528(\u4e00\u500bcodebase)\uff0c\u4f46\u662f\u5167\u90e8\u56b4\u683c\u9650\u5236\u4e0d\u540c\u9818\u57df\u7684\u908a\u754c(strictly enforced boundaries between different domains)\u3002<\/p>\n\n\n\n<p>Modular Monolith \u7684\u5be6\u4f5c\u8ddf\u4e0a\u8ff0 Interface Object \u6216 Arkency \u7684\u65b9\u5f0f\u5dee\u4e0d\u591a\u7684\uff0c\u800c\u9019\u500b Packwerk \u5957\u4ef6\u662f\u500b\u6aa2\u67e5\u5668(validator)\uff0c\u539f\u7406\u662f\u975c\u614b\u7a0b\u5f0f\u78bc\u5206\u6790(static code analysis)\u3002Packwerk \u7528\u4f86\u5b9a\u7fa9 package \u908a\u754c\uff0c\u4ee5\u53ca\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u662f\u5426\u6eff\u8db3 package \u7684\u689d\u4ef6\u3002\u7562\u7adf\u5718\u968a\u9577\u9019\u9ebc\u5927\uff0c\u53c8\u53ea\u6709\u4e00\u500b codebase \u7684\u8a71\uff0c\u9700\u8981\u56b4\u683c\u6aa2\u67e5 package \u4e4b\u9593\u7684\u4f9d\u8cf4\u60c5\u6cc1\uff0c\u540c\u6642 Packwerk \u9084\u6703\u6aa2\u67e5\u9019\u500b\u4f9d\u8cf4\u4e0d\u80fd\u662f\u500b cycle \u74b0(\u6307\u5957\u4ef6\u4e92\u76f8\u4f9d\u8cf4)\uff0c\u5fc5\u9808\u662f acyclic \u7121\u74b0\u3002<\/p>\n\n\n\n<p>\u9019\u500b <a href=\"https:\/\/www.youtube.com\/watch?v=NwqlyBAxVpQ\">1-Minute Demo of How Packwerk Works | Shopify Engineering <\/a>\u53ef\u4ee5\u770b\u4e00\u4e0b\u5c31\u77e5\u9053\u5b83\u7684\u7528\u8655\u4e86\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\uff0c\u53cd\u6b63\u6211\u4e0d\u6703\u7cfe\u7d50\u5230\u5e95\u662f\u4e0d\u662fDDD\u4e86\u3002\u5c31\u50cf Shopify \u90a3\u5169\u7bc7 Blog \u6587\u7ae0\uff0c\u5b8c\u5168\u6c92\u6709\u63d0\u5230 DDD \u8036\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Domain-Driven Design (DDD)\u662f\u4e00\u9580\u4e0d\u660e\u89ba\u53b2\u7684\u8edf\u9ad4\u67b6\u69cb\u8a2d\u8a08\u7406\u8ad6\uff0c\u672c\u6587\u6574\u7406\u4e86\u6211\u7684\u7406\u89e3\uff0c\u4ee5\u53ca &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/ihower.tw\/blog\/11250-domain-driven-design-rails\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008\u6dfa\u8ac7\u6211\u5c0d Domain-Driven Design \u7684\u7406\u89e3\u548c Rails \u4e2d\u7684\u5be6\u4f5c\u3009<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[31],"tags":[],"class_list":["post-11250","post","type-post","status-publish","format-standard","hentry","category-ruby","entry"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1q6tG-2Vs","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/11250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/comments?post=11250"}],"version-history":[{"count":62,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/11250\/revisions"}],"predecessor-version":[{"id":11536,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/posts\/11250\/revisions\/11536"}],"wp:attachment":[{"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/media?parent=11250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/categories?post=11250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihower.tw\/blog\/wp-json\/wp\/v2\/tags?post=11250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}