MySQL 8.0.22 ã®æ°æ©è½ã§ DNS SRV ã¬ã³ã¼ãã®ãµãã¼ãã¨ããã®ããã£ãã®ã§è©¦ãã¦ã¿ãã https://dev.mysql.com/doc/refman/8.0/en/connecting-using-dns-srv.html MySQLãµã¼ãã¼3å° (a.example.com, b.example.com, c.example.com)ã¨ããã«æ¥ç¶ããããã®ã¯ã©ã¤ã¢ã³ãã®è¨4å°ã docker-compose ã§ä½æããã Dockerfile FROM ubuntu RUN apt update RUN apt install -y mysql-client libmysqlclient-dev gcc unbound bind9-dnsutils RUN rm -f /etc/unbound/unbound.conf.d/root-auto-trust-ancho


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