compose

docker/mysql/Dockerfile

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+FROM mysql:8.1
+
+# 时区配置
+ARG TZ=UTC
+ENV TZ ${TIMEZONE}
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ >/etc/timezone && chown -R mysql:root /var/lib/mysql/
+
+# 复制自定义的my.cnf
+COPY my.cnf /etc/mysql/conf.d/my.cnf
+
+# my.cnf只读权限
+RUN chmod 0444 /etc/mysql/conf.d/my.cnf
+
+# 暴露3306端口
+EXPOSE 3306
+
+# 启动mysql
+CMD ["mysqld"]