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gateway/config/backup/gateway.config.yml

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+# https://www.express-gateway.io/docs/configuration/gateway.config.yml/
+# https://www.cnblogs.com/PLM-Teamcenter/p/16388583.html
+
+http:
+  port: 8080
+admin:
+  port: 9876
+  host: localhost
+# 指定具体的客户端 - 绑定域名和 被映射的接口地址  
+apiEndpoints:
+  api:
+    host: localhost
+    paths: '/ip'
+
+  user_client:
+    host: localhost
+    paths: 
+      - /user
+      - /user/*
+
+  articles_client:
+    host: localhost
+    paths: 
+      - /articles
+      - /articles/*
+
+# 声明网关可以管理的微服务 - 被代理的地址    
+serviceEndpoints:
+  userbin:
+    url: 'http://127.0.0.1:3002'
+
+  articlesbin:
+    url: 'http://127.0.0.1:3003' 
+
+  httpbin:
+    url: 'https://httpbin.org'
+
+policies:
+  - basic-auth
+  - cors
+  - expression
+  - key-auth
+  - log
+  - oauth2
+  - proxy
+  - rate-limit
+
+# 通过管道把客户端与微服务串联起来
+pipelines:
+
+  default:
+    apiEndpoints:
+      - api
+    policies:
+    # Uncomment `key-auth:` when instructed to in the Getting Started guide.
+    # - key-auth:
+    # proxy；它的作用是代理/转发请求，这里指定了将 apiEndpoints 来的请求转发到前面定义了的微服务 
+      - proxy:
+          - action:
+              serviceEndpoint: httpbin 
+              changeOrigin: true
+       
+  pipeline_user:
+    apiEndpoints:
+      - user_client
+    policies:
+      - proxy:
+          - action:
+              serviceEndpoint: userbin
+              changeOrigin: true  
+
+  pipeline_articles:
+    apiEndpoints:
+      - articles_client
+    policies:
+      - proxy:
+          - action:
+              serviceEndpoint: articlesbin
+              changeOrigin: true  
+