apisix/docs/zh/latest/architecture-design/apisix.md

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---
title: APISIX
---
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## 插件加载流程
![插件加载流程](../../../assets/images/flow-load-plugin.png)
## 插件内部结构
![插件内部结构](../../../assets/images/flow-plugin-internal.png)
## 配置 APISIX
通过修改本地 `conf/config.yaml` 文件,或者在启动 APISIX 时使用 `-c``--config` 添加文件路径参数 `apisix start -c <path string>`,完成对 APISIX 服务本身的基本配置。
比如修改 APISIX 默认监听端口为 8000其他配置保持默认`config.yaml` 中只需这样配置:
```yaml
apisix:
node_listen: 8000 # APISIX listening port
```
比如指定 APISIX 默认监听端口为 8000并且设置 etcd 地址为 `http://foo:2379`
其他配置保持默认。在 `config.yaml` 中只需这样配置:
```yaml
apisix:
node_listen: 8000 # APISIX listening port
etcd:
host: "http://foo:2379" # etcd address
```
其他默认配置,可以在 `conf/config-default.yaml` 文件中看到,该文件是与 APISIX 源码强绑定,
**永远不要**手工修改 `conf/config-default.yaml` 文件。如果需要自定义任何配置,都应在 `config.yaml` 文件中完成。
_注意_ 不要手工修改 APISIX 自身的 `conf/nginx.conf` 文件,当服务每次启动时,`apisix`
会根据 `config.yaml` 配置自动生成新的 `conf/nginx.conf` 并自动启动服务。