##------------##
#     MySQL    #
##------------##

export DEBIAN_FRONTEND=noninteractive

apt install gnupg -y

debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/repo-codename select bionic'
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/repo-distro select ubuntu'
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/repo-url string http://repo.mysql.com/apt/'
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/select-preview select '
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/select-product select Ok'
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/select-server select mysql-8.0'
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/select-tools select '
debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/unsupported-platform select abort'
debconf-set-selections <<< "mysql-community-server mysql-community-server/root-pass password $password"
debconf-set-selections <<< "mysql-community-server mysql-community-server/re-root-pass password $password"
debconf-set-selections <<< "mysql-community-server mysql-server/default-auth-override select Use Legacy Authentication Method (Retain MySQL 5.x Compatibility)"

wget https://dev.mysql.com/get/mysql-apt-config_0.8.13-1_all.deb -O /tmp/mysql-apt-conf.deb
dpkg -i /tmp/mysql-apt-conf.deb
apt-get update
apt-get install -y mysql-server

rm /etc/mysql/mysql.conf.d/mysqld.cnf
cat > /etc/mysql/mysql.conf.d/mysqld.cnf <<- "EOF"
[mysqld]
user            = mysql
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
port            = 3306
basedir         = /usr
datadir         = /var/lib/mysql
tmpdir          = /tmp
lc-messages-dir = /usr/share/mysql
skip-external-locking

innodb_buffer_pool_size = 1G # (adjust value here, 50%-70% of total RAM)
innodb_log_file_size = 256M
innodb_flush_log_at_trx_commit = 1 # may change to 2 or 0
innodb_flush_method = O_DIRECT
bind-address            = 127.0.0.1
key_buffer_size         = 16M
max_allowed_packet      = 16M
thread_stack            = 192K
thread_cache_size       = 8
myisam-recover-options  = BACKUP
#max_connections = 100
#table_open_cache = 64
#innodb-thread-concurrency     = 10
log_error = /var/log/mysql/error.log
expire_logs_days        = 10
max_binlog_size   = 100M
EOF