├── Dockerfile
├── README.md
└── startup.sh


/Dockerfile:
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 1 | FROM alpine:latest
 2 | MAINTAINER leafney "babycoolzx@126.com"
 3 | 
 4 | RUN apk update && \
 5 | 	apk add mysql mysql-client && \
 6 | 	addgroup mysql mysql && \
 7 | 	mkdir /scripts && \
 8 | 	rm -rf /var/cache/apk/*
 9 | 
10 | VOLUME ["/var/lib/mysql"]
11 | 
12 | COPY ./startup.sh /scripts/startup.sh
13 | RUN chmod +x /scripts/startup.sh
14 | 
15 | EXPOSE 3306
16 | 
17 | ENTRYPOINT ["/scripts/startup.sh"]


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/README.md:
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 1 | Docker + Alpine-3.4 + Mysql/MariaDB-10.1.18
 2 | 
 3 | #### parameter
 4 | 
 5 | * `MYSQL_ROOT_PWD` : root Password   default "mysql"
 6 | * `MYSQL_USER`     : new User
 7 | * `MYSQL_USER_PWD` : new User Password
 8 | * `MYSQL_USER_DB`  : new Database for new User
 9 | 
10 | #### build image
11 | 
12 | ```
13 | $ docker build -t="leafney/docker-alpine-mysql" .
14 | ```
15 | 
16 | #### run a default contaier
17 | 
18 | ```
19 | $ docker run --name mysql -v /mysql/data/:/var/lib/mysql -d -p 3306:3306 leafney/docker-alpine-mysql
20 | ```
21 | 
22 | #### run a container with new User and Password
23 | 
24 | ```
25 | $ 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
26 | ```
27 | 
28 | #### run a container with new Database for new User and Password
29 | 
30 | ```
31 | $ 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
32 | ```
33 | 


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/startup.sh:
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 1 | #!/bin/sh
 2 | 
 3 | # parameters
 4 | MYSQL_ROOT_PWD=${MYSQL_ROOT_PWD:-"mysql"}
 5 | MYSQL_USER=${MYSQL_USER:-""}
 6 | MYSQL_USER_PWD=${MYSQL_USER_PWD:-""}
 7 | MYSQL_USER_DB=${MYSQL_USER_DB:-""}
 8 | 
 9 | if [ ! -d "/run/mysqld" ]; then
10 | 	mkdir -p /run/mysqld
11 | 	chown -R mysql:mysql /run/mysqld
12 | fi
13 | 
14 | if [ -d /var/lib/mysql/mysql ]; then
15 | 	echo '[i] MySQL directory already present, skipping creation'
16 | else
17 | 	echo "[i] MySQL data directory not found, creating initial DBs"
18 | 
19 | 	chown -R mysql:mysql /var/lib/mysql
20 | 
21 | 	# init database
22 | 	echo 'Initializing database'
23 | 	mysql_install_db --user=mysql > /dev/null
24 | 	echo 'Database initialized'
25 | 
26 | 	echo "[i] MySql root password: $MYSQL_ROOT_PWD"
27 | 
28 | 	# create temp file
29 | 	tfile=`mktemp`
30 | 	if [ ! -f "$tfile" ]; then
31 | 	    return 1
32 | 	fi
33 | 
34 | 	# save sql
35 | 	echo "[i] Create temp file: $tfile"
36 | 	cat << EOF > $tfile
37 | USE mysql;
38 | FLUSH PRIVILEGES;
39 | DELETE FROM mysql.user;
40 | GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '$MYSQL_ROOT_PWD' WITH GRANT OPTION;
41 | GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '$MYSQL_ROOT_PWD' WITH GRANT OPTION;
42 | EOF
43 | 
44 | 
45 | 	# Create new database
46 | 	if [ "$MYSQL_USER_DB" != "" ]; then
47 | 		echo "[i] Creating database: $MYSQL_USER_DB"
48 | 		echo "CREATE DATABASE IF NOT EXISTS \`$MYSQL_USER_DB\` CHARACTER SET utf8 COLLATE utf8_general_ci;" >> $tfile
49 | 
50 | 		# set new User and Password
51 | 		if [ "$MYSQL_USER" != "" ] && [ "$MYSQL_USER_PWD" != "" ]; then
52 | 		echo "[i] Creating user: $MYSQL_USER with password $MYSQL_USER_PWD"
53 | 		echo "GRANT ALL ON \`$MYSQL_USER_DB\`.* to '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_USER_PWD';" >> $tfile
54 | 		fi
55 | 	else
56 | 		# don`t need to create new database,Set new User to control all database.
57 | 		if [ "$MYSQL_USER" != "" ] && [ "$MYSQL_USER_PWD" != "" ]; then
58 | 		echo "[i] Creating user: $MYSQL_USER with password $MYSQL_USER_PWD"
59 | 		echo "GRANT ALL ON *.* to '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_USER_PWD';" >> $tfile
60 | 		fi
61 | 	fi
62 | 
63 | 	echo 'FLUSH PRIVILEGES;' >> $tfile
64 | 
65 | 	# run sql in tempfile
66 | 	echo "[i] run tempfile: $tfile"
67 | 	/usr/bin/mysqld --user=mysql --bootstrap --verbose=0 < $tfile
68 | 	rm -f $tfile
69 | fi
70 | 
71 | echo "[i] Sleeping 5 sec"
72 | sleep 5
73 | 
74 | echo '[i] start running mysqld'
75 | exec /usr/bin/mysqld --user=mysql --console
76 | 


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