Init

Dockerfile

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+FROM alpine:latest
+MAINTAINER leafney "babycoolzx@126.com"
+
+RUN apk update && \
+	apk add mysql mysql-client && \
+	addgroup mysql mysql && \
+	mkdir /scripts && \
+	rm -rf /var/cache/apk/*
+
+VOLUME ["/var/lib/mysql"]
+
+COPY ./startup.sh /scripts/startup.sh
+RUN chmod +x /scripts/startup.sh
+
+EXPOSE 3306
+
+ENTRYPOINT ["/scripts/startup.sh"]

README.md

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+Docker + Alpine-3.4 + Mysql/MariaDB-10.1.18
+
+#### parameter
+
+* `MYSQL_ROOT_PWD` : root Password   default "mysql"
+* `MYSQL_USER`     : new User
+* `MYSQL_USER_PWD` : new User Password
+* `MYSQL_USER_DB`  : new Database for new User
+
+#### build image
+
+```
+$ docker build -t="leafney/docker-alpine-mysql" .
+```
+
+#### run a default contaier
+
+```
+$ docker run --name mysql -v /mysql/data/:/var/lib/mysql -d -p 3306:3306 leafney/docker-alpine-mysql
+```
+
+#### run a container with new User and Password
+
+```
+$ docker run --name mysql -v /mysql/data/:/var/lib/mysql -d -p 3306:3306 -e MYSQL_ROOT_PWD=123 -e MYSQL_USER=dev -e MYSQL_USER_PWD=dev leafney/docker-alpine-mysql
+```
+
+#### run a container with new Database for new User and Password
+
+```
+$ docker run --name mysql -v /mysql/data/:/var/lib/mysql -d -p 3306:3306 -e MYSQL_ROOT_PWD=123 -e MYSQL_USER=dev -e MYSQL_USER_PWD=dev -e MYSQL_USER_DB=userdb leafney/docker-alpine-mysql
+```

startup.sh

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+#!/bin/sh
+
+# parameters
+MYSQL_ROOT_PWD=${MYSQL_ROOT_PWD:-"mysql"}
+MYSQL_USER=${MYSQL_USER:-""}
+MYSQL_USER_PWD=${MYSQL_USER_PWD:-""}
+MYSQL_USER_DB=${MYSQL_USER_DB:-""}
+
+if [ ! -d "/run/mysqld" ]; then
+	mkdir -p /run/mysqld
+	chown -R mysql:mysql /run/mysqld
+fi
+
+if [ -d /var/lib/mysql/myql ]; then
+	echo '[i] MySQL directory already present, skipping creation'
+else
+	echo "[i] MySQL data directory not found, creating initial DBs"
+
+	chown -R mysql:mysql /var/lib/mysql
+
+	# init database
+	echo 'Initializing database'
+	mysql_install_db --user=mysql > /dev/null
+	echo 'Database initialized'
+
+	echo "[i] MySql root password: $MYSQL_ROOT_PWD"
+
+	# create temp file
+	tfile=`mktemp`
+	if [ ! -f "$tfile" ]; then
+	    return 1
+	fi
+
+	# save sql
+	echo "[i] Create temp file: $tfile"
+	cat << EOF > $tfile
+USE mysql;
+FLUSH PRIVILEGES;
+DELETE FROM mysql.user;
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '$MYSQL_ROOT_PWD' WITH GRANT OPTION;
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '$MYSQL_ROOT_PWD' WITH GRANT OPTION;
+EOF
+
+
+	# Create new database
+	if [ "$MYSQL_USER_DB" != "" ]; then
+		echo "[i] Creating database: $MYSQL_USER_DB"
+		echo "CREATE DATABASE IF NOT EXISTS \`$MYSQL_USER_DB\` CHARACTER SET utf8 COLLATE utf8_general_ci;" >> $tfile
+
+		# set new User and Password
+		if [ "$MYSQL_USER" != "" ] && [ "$MYSQL_USER_PWD" != "" ]; then
+		echo "[i] Creating user: $MYSQL_USER with password $MYSQL_USER_PWD"
+		echo "GRANT ALL ON \`$MYSQL_USER_DB\`.* to '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_USER_PWD';" >> $tfile
+		fi
+	else
+		# don`t need to create new database,Set new User to control all database.
+		if [ "$MYSQL_USER" != "" ] && [ "$MYSQL_USER_PWD" != "" ]; then
+		echo "[i] Creating user: $MYSQL_USER with password $MYSQL_USER_PWD"
+		echo "GRANT ALL ON *.* to '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_USER_PWD';" >> $tfile
+		fi
+	fi
+
+	echo 'FLUSH PRIVILEGES;' >> $tfile
+
+	# run sql in tempfile
+	echo "[i] run tempfile: $tfile"
+	/usr/bin/mysqld --user=mysql --bootstrap --verbose=0 < $tfile
+	rm -f $tfile
+fi
+
+echo "[i] Sleeping 5 sec"
+sleep 5
+
+echo '[i] start running mysqld'
+exec /usr/bin/mysqld --user=mysql --console