[#14] build 构建融合metric镜像，移除测试节点镜像，直接使用基础镜像

src/metric/grafana/build/Dockerfile

@@ -2,6 +2,18 @@ FROM grafana/grafana:11.1.0
 
 USER root
 
+# 构建参数：是否使用内网镜像
+ARG USE_INTRANET=false
+
+# 根据是否为内网构建切换 apk 源
+RUN if [ "$USE_INTRANET" = "true" ]; then \
+        echo "Configuring intranet apk repositories..." && \
+        sed -i 's#https\?://[^/]\+#http://10.68.64.1#g' /etc/apk/repositories; \
+    else \
+        echo "Configuring public apk repositories..." && \
+        sed -i 's#https\?://[^/]\+#https://mirrors.aliyun.com#g' /etc/apk/repositories; \
+    fi
+
 # 安装必要的工具
 RUN apk add --no-cache \
         supervisor \
@@ -10,6 +22,11 @@ RUN apk add --no-cache \
         vim \
         bash
 
+# 部署镜像时恢复到部署侧使用的内网镜像源
+RUN if [ "$USE_INTRANET" = "true" ]; then \
+        sed -i 's#https\?://[^/]\+#https://10.92.132.52/mirrors#g' /etc/apk/repositories; \
+    fi
+
 # supervisor 日志目录
 RUN mkdir -p /var/log/supervisor