FROM ubuntu:20.10
MAINTAINER 1793360097@qq.com
# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
RUN groupadd -r mysql && useradd -r -g mysql mysql && echo > /etc/apt/sources.list
COPY install-db.sh /usr/local/bin/
RUN bash /usr/local/bin/install-db.sh Modify_Source DB_Dependent
RUN bash /usr/local/bin/install-db.sh Install_Only_Database  \
        && rm -rf /usr/local/src/* \ 
        && rm -rf /usr/local/mysql/bin/{mysqltest_embedded,mysql_embedded,mysql_client_test_embedded} /usr/local/mysql/mysql-test

RUN mkdir -p /etc/mysql/conf.d/ && echo '[mysqld]\nskip-host-cache\nskip-name-resolve' > /etc/mysql/conf.d/docker.cnf \
        && rm -rf /var/lib/mysql && mkdir -p /var/lib/mysql/share /var/run/mysqld \
        && chown -R mysql:mysql /var/lib/mysql /var/run/mysqld \
# ensure that /var/run/mysqld (used for socket and lock files) is writable regardless of the UID our mysqld instance ends up having at runtime
        && chmod 1777 /var/run/mysqld /var/lib/mysql