更新 Dockerfile

base-images/docker-golang/Dockerfile

 FROM golang:latest
-
 MAINTAINER Razil "chenhuan@liaosearch.com"
 
+# 配置 Go 模块和代理
+RUN go env -w GO111MODULE=on && \
+    go env -w GOPROXY=https://goproxy.cn,direct
 
-# ADD librdkafka /librdkafka
-
-# RUN cd /librdkafka && make && make install
-
-
-RUN      go env -w GO111MODULE=on && go env -w  GOPROXY=https://goproxy.cn,direct
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+# 安装 fonts-wqy-microhei 字体（先更新包索引，再安装，最后清理缓存）
+RUN apt-get update && \
+    apt-get install -y fonts-wqy-microhei && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
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