Harry33t opened a new pull request, #1096:
URL: https://github.com/apache/dubbo-go-samples/pull/1096
## 问题
APISIX 配置 `apisix/deploy/apisix-compose/apisix_conf/config.yaml` 用
hostname `nacos` 做服务发现：
```yaml
discovery:
nacos:
host:
- "http://nacos:8848";
```
README 第 75 行也用 `docker inspect ... nacos` 取容器 IP。两处都假设容器名是 `nacos`。
但 `nacos2.0.3-compose/docker-compose.yml` 没设置 `container_name`，`docker
compose up` 会生成名字 `nacos203-compose-nacos-1`，导致：
- APISIX 解析不到 `nacos`，报一个让人摸不着头脑的 Lua 错误：
```
nacos/init.lua:361: attempt to index upvalue 'applications' (a nil value)
```
- README 里的 `docker inspect ... nacos` 也找不到容器。
新用户照着 README 跑必然踩坑。
## 修复
给 nacos service 加 `container_name: nacos`，让实际部署与文档/APISIX 配置一致：
```diff
services:
nacos:
+ container_name: nacos
image: nacos/nacos-server:v2.2.3
```
## 验证
本地按 README 步骤跑通整个 apisix 示例：
```bash
$ curl 'http://127.0.0.1:80/helloworld?name=World'
{"age":21,"name":"Hello World","id":"12345"}
```
只新增了 1 行配置，无其他改动。
Closes #1079
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