|
1 | | ---- |
2 | | -sidebar_position: 3 |
3 | | ---- |
4 | | - |
5 | 1 | # Architecture Overview |
6 | 2 |
|
7 | | -<div className="hero-section"> |
8 | | - |
9 | | -## How OpenComponents Works |
10 | | - |
11 | | -OpenComponents is a **micro frontend architecture** that breaks down monolithic applications into independently deployable, reusable components that teams can own and maintain autonomously. |
12 | | - |
13 | | -</div> |
14 | | - |
15 | | -## Conceptual Overview |
16 | | - |
17 | | -<div className="concept-example"> |
18 | | - |
19 | | -### 🛒 **Real-World Example: E-commerce Platform** |
20 | | - |
21 | | -Instead of building one massive application, imagine decomposing it into independent components: |
22 | | - |
23 | | -<div className="component-breakdown"> |
24 | | - |
25 | | -**🏠 Header Component** → Platform Team |
26 | | -- Navigation, search, user menu |
27 | | -- Deployed independently |
28 | | -- Shared across all pages |
29 | | - |
30 | | -**📦 Product Listing** → Catalog Team |
31 | | -- Product cards, filters, pagination |
32 | | -- A/B test new layouts |
33 | | -- Optimized for performance |
34 | | - |
35 | | -**🛒 Shopping Cart** → Commerce Team |
36 | | -- Cart state, checkout flow |
37 | | -- Payment integrations |
38 | | -- Independent scaling |
39 | | - |
40 | | -**👤 User Profile** → Identity Team |
41 | | -- Authentication, preferences |
42 | | -- Privacy controls |
43 | | -- Account management |
44 | | - |
45 | | -</div> |
46 | | - |
47 | | -**The Result:** Each team develops, tests, and deploys independently while users see a seamless, integrated experience. |
48 | | - |
49 | | -</div> |
50 | | - |
51 | | -## Benefits of This Approach |
52 | | - |
53 | | -<div className="benefits-overview"> |
54 | | - |
55 | | -### 🚀 **Team Independence** |
56 | | -- **Autonomous development** - No coordination bottlenecks |
57 | | -- **Technology flexibility** - React, Vue, ES6, or any framework per component |
58 | | -- **Independent deployments** - Release on your own schedule |
59 | | -- **Clear ownership** - Teams own components end-to-end |
60 | | - |
61 | | -### 📈 **Scalability & Performance** |
62 | | -- **Component-level scaling** - Scale based on actual usage patterns |
63 | | -- **CDN optimization** - Automatic asset distribution globally |
64 | | -- **Server-side rendering** - SEO and performance without Node.js requirements |
65 | | -- **Caching strategies** - Intelligent caching at multiple levels |
66 | | - |
67 | | -### 🔄 **Gradual Migration** |
68 | | -- **Start small** - Begin with one component, expand gradually |
69 | | -- **No big bang** - Migrate from monolith incrementally |
70 | | -- **Risk mitigation** - Test architecture with non-critical components |
71 | | -- **Backward compatibility** - Existing applications continue working |
72 | | - |
73 | | -</div> |
74 | | - |
75 | | -## Why Choose OpenComponents? |
76 | | - |
77 | | -### Team Independence |
| 3 | +OpenComponents breaks down monolithic frontends into independently deployable, reusable components that teams can own and maintain autonomously. For the motivation behind this, see [Why OpenComponents?](why-opencomponents). |
78 | 4 |
|
79 | | -- **Autonomous development**: Teams work on their components without blocking each other |
80 | | -- **Technology flexibility**: Use React, Vue, ES6, or any framework per component |
81 | | -- **Independent deployments**: Release updates without coordinating with other teams |
82 | | -- **Clear ownership**: Each team owns their components end-to-end |
| 5 | +## Example decomposition |
83 | 6 |
|
84 | | -### Gradual Migration |
| 7 | +A typical e-commerce page could be decomposed into independent components, each owned by a different team: |
85 | 8 |
|
86 | | -- **Start small**: Begin with one component and gradually expand |
87 | | -- **No big bang**: Migrate from monolith to micro frontends incrementally |
88 | | -- **Risk mitigation**: Test the architecture with non-critical components first |
89 | | -- **Backward compatibility**: Existing applications continue working during migration |
| 9 | +- **Header** (Platform team) – navigation, search, user menu; deployed independently, shared across pages. |
| 10 | +- **Product listing** (Catalog team) – product cards, filters, pagination. |
| 11 | +- **Shopping cart** (Commerce team) – cart state, checkout flow, payment integrations. |
| 12 | +- **User profile** (Identity team) – authentication, preferences, account management. |
90 | 13 |
|
91 | | -### A/B Testing and Experimentation |
92 | | - |
93 | | -- **Component-level testing**: Test different versions of individual components |
94 | | -- **Isolated experiments**: Changes to one component don't affect others |
95 | | -- **Faster iteration**: Deploy and test new features quickly |
96 | | -- **Data-driven decisions**: Measure impact of component changes independently |
| 14 | +Each team develops, tests, and deploys independently, while users see one seamless, integrated page. |
97 | 15 |
|
98 | 16 | ## System Architecture |
99 | 17 |
|
100 | | -<div className="architecture-diagram"> |
101 | | - |
102 | 18 | ```mermaid |
103 | 19 | graph TB |
104 | 20 | subgraph "Development" |
@@ -140,53 +56,12 @@ graph TB |
140 | 56 | style CLI fill:#9C27B0 |
141 | 57 | ``` |
142 | 58 |
|
143 | | -</div> |
144 | | - |
145 | | -### 🏗️ **Core Components** |
146 | | - |
147 | | -<div className="architecture-components"> |
148 | | - |
149 | | -<div className="arch-component"> |
150 | | - |
151 | | -#### **🛠️ CLI & Development Tools** |
152 | | -- Component scaffolding and development |
153 | | -- Local testing with hot reload |
154 | | -- Publishing and version management |
155 | | -- Built-in preview and debugging tools |
156 | | - |
157 | | -</div> |
158 | | - |
159 | | -<div className="arch-component"> |
160 | | - |
161 | | -#### **🌐 Registry (REST API)** |
162 | | -- Central component catalog and metadata |
163 | | -- Version management and resolution |
164 | | -- Authentication and access control |
165 | | -- Component rendering and serving |
166 | | - |
167 | | -</div> |
168 | | - |
169 | | -<div className="arch-component"> |
170 | | - |
171 | | -#### **📦 Component Library** |
172 | | -- Immutable component storage |
173 | | -- Version history and artifacts |
174 | | -- Dependency management |
175 | | -- Backup and disaster recovery |
| 59 | +### Core components |
176 | 60 |
|
177 | | -</div> |
178 | | - |
179 | | -<div className="arch-component"> |
180 | | - |
181 | | -#### **🚀 CDN & Asset Distribution** |
182 | | -- Global static asset delivery |
183 | | -- Automatic optimization and compression |
184 | | -- Edge caching for performance |
185 | | -- Bandwidth cost optimization |
186 | | - |
187 | | -</div> |
188 | | - |
189 | | -</div> |
| 61 | +- **CLI & development tools** – component scaffolding, local dev server with hot reload, publishing, preview and debugging. |
| 62 | +- **Registry (REST API)** – component catalog and metadata, version resolution, authentication, rendering. |
| 63 | +- **Component library** – immutable storage of published component versions and artifacts. |
| 64 | +- **CDN & asset distribution** – static assets (JS, CSS, images) served from CDN with edge caching. |
190 | 65 |
|
191 | 66 | ## Publishing Workflow |
192 | 67 |
|
@@ -293,27 +168,7 @@ Results: |
293 | 168 |
|
294 | 169 | **Best Practices**: |
295 | 170 |
|
296 | | -- ✅ **Use semantic versioning**: `~1.2.0` instead of `1.2.4` |
297 | | -- ✅ **Short polling intervals**: 5-second sync reduces inconsistency window |
298 | | -- ✅ **Monitoring & alerting**: Track registry sync health |
299 | | -- ✅ **Graceful degradation**: Serve cached versions during outages |
300 | | - |
301 | | -### Advanced Distribution Features |
302 | | - |
303 | | -**🔄 Automatic Failover** |
304 | | - |
305 | | -- Registry instances automatically retry failed CDN connections |
306 | | -- Components remain available from memory cache during outages |
307 | | -- Health checks detect and route around unhealthy instances |
308 | | - |
309 | | -**📊 Monitoring Integration** |
310 | | - |
311 | | -- Registry publishes events for sync failures and recoveries |
312 | | -- Metrics tracking for component usage and performance |
313 | | -- Alerting for version inconsistencies across regions |
314 | | - |
315 | | -**🚀 Performance Optimization** |
316 | | - |
317 | | -- Template deduplication across component versions |
318 | | -- Intelligent caching based on usage patterns |
319 | | -- CDN edge caching for global distribution |
| 171 | +- **Use semantic versioning**: prefer `~1.2.0` over pinning `1.2.4`, so consumers tolerate a registry serving a slightly older patch during the sync window |
| 172 | +- **Short polling intervals**: the default 5-second `pollingInterval` keeps the inconsistency window small |
| 173 | +- **Monitoring**: subscribe to the [registry's events](../registry/registry-configuration#registryoneventname-callback) to track sync health |
| 174 | +- **Fallback registries**: configure [`fallbackRegistryUrl`](../registry/registry-configuration#configuration-reference) so requests can be served by a secondary registry if a component isn't found locally |
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