Support docker source code construction

container/dockerfiles/mysql/Dockerfile

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+FROM mysql:5.7.37
+
+COPY mysqld.cnf /etc/mysql/mysql.conf.d/
+ENV TZ=Asia/Shanghai
+ENV MYSQL_ROOT_PASSWORD=root
+
+RUN apt-get update \
+    && apt -y install wget \
+    && wget https://ghproxy.com/https://raw.githubusercontent.com/didi/LogiKM/master/distribution/conf/create_mysql_table.sql -O /docker-entrypoint-initdb.d/create_mysql_table.sql
+
+EXPOSE 3306
+
+VOLUME ["/var/lib/mysql"]

container/dockerfiles/mysql/mysqld.cnf

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+[client]
+default-character-set = utf8  
+
+[mysqld]
+character_set_server = utf8  
+pid-file        = /var/run/mysqld/mysqld.pid
+socket          = /var/run/mysqld/mysqld.sock
+datadir         = /var/lib/mysql
+symbolic-links=0
+
+max_allowed_packet = 10M
+sort_buffer_size = 1M
+read_rnd_buffer_size = 2M
+max_connections=2000
+
+lower_case_table_names=1
+character-set-server=utf8
+
+max_allowed_packet = 1G
+sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
+group_concat_max_len = 102400
+default-time-zone = '+08:00'
+[mysql]
+default-character-set = utf8