sameersbn/docker-mysql
Fork: 175 Star: 244 (更新于 1970-01-01 00:00:00)
license: MIT
Language: Shell .
A Dockerfile that installs a mysql server
最后发布版本: 5.7.26-0 ( 2019-07-06 15:45:10)
Table of Contents
- Introduction
- Contributing
- Changelog
- Reporting Issues
- Installation
- Quick Start
- Data Store
- Creating User and Database at Launch
- Creating remote user with privileged access
- Shell Access
- Upgrading
Introduction
Dockerfile to build a MySQL container image which can be linked to other containers.
Contributing
If you find this image useful here's how you can help:
- Send a Pull Request with your awesome new features and bug fixes
- Help new users with Issues they may encounter
- Support the development of this image with a donation
Reporting Issues
Docker is a relatively new project and is active being developed and tested by a thriving community of developers and testers and every release of docker features many enhancements and bugfixes.
Given the nature of the development and release cycle it is very important that you have the latest version of docker installed because any issue that you encounter might have already been fixed with a newer docker release.
For ubuntu users I suggest installing docker using docker's own package repository since the version of docker packaged in the ubuntu repositories are a little dated.
Here is the shortform of the installation of an updated version of docker on ubuntu.
sudo apt-get purge docker.io
curl -s https://get.docker.io/ubuntu/ | sudo sh
sudo apt-get update
sudo apt-get install lxc-docker
Fedora and RHEL/CentOS users should try disabling selinux with setenforce 0
and check if resolves the issue. If it does than there is not much that I can help you with. You can either stick with selinux disabled (not recommended by redhat) or switch to using ubuntu.
If using the latest docker version and/or disabling selinux does not fix the issue then please file a issue request on the issues page.
In your issue report please make sure you provide the following information:
- The host distribution and release version.
- Output of the
docker version
command - Output of the
docker info
command - The
docker run
command you used to run the image (mask out the sensitive bits).
Installation
Automated builds of the image are available on Dockerhub and is the recommended method of installation.
Note: Builds are also available on Quay.io
docker pull sameersbn/mysql:5.7.26-0
Alternately you can build the image yourself.
docker build -t sameersbn/mysql github.com/sameersbn/docker-mysql
Quick Start
Run the mysql image
docker run --name mysql -d sameersbn/mysql:5.7.26-0
You can access the mysql server as the root user using the following command:
docker run -it --rm --volumes-from=mysql sameersbn/mysql:5.7.26-0 mysql -uroot
Data Store
You should mount a volume at /var/lib/mysql
.
SELinux users are also required to change the security context of the mount point so that it plays nicely with selinux.
mkdir -p /opt/mysql/data
sudo chcon -Rt svirt_sandbox_file_t /opt/mysql/data
The updated run command looks like this.
docker run --name mysql -d \
-v /opt/mysql/data:/var/lib/mysql sameersbn/mysql:5.7.26-0
This will make sure that the data stored in the database is not lost when the image is stopped and started again.
Creating User and Database at Launch
NOTE
For this feature to work the
debian-sys-maint
user needs to exist. This user is automatically created when the database is installed for the first time (firstrun).However if you were using this image before this feature was added, then it will not work as-is. You are required to create the
debian-sys-maint
userdocker run -it --rm --volumes-from=mysql sameersbn/mysql \ mysql -uroot -e "GRANT ALL PRIVILEGES on *.* TO 'debian-sys-maint'@'localhost' IDENTIFIED BY '' WITH GRANT OPTION;"
To create a new database specify the database name in the DB_NAME
variable. The following command creates a new database named dbname:
docker run --name mysql -d \
-e 'DB_NAME=dbname' sameersbn/mysql:5.7.26-0
You may also specify a comma separated list of database names in the DB_NAME
variable. The following command creates two new databases named dbname1 and dbname2
docker run --name mysql -d \
-e 'DB_NAME=dbname1,dbname2' sameersbn/mysql:5.7.26-0
To create a new user you should specify the DB_USER
and DB_PASS
variables.
docker run --name mysql -d \
-e 'DB_USER=dbuser' -e 'DB_PASS=dbpass' -e 'DB_NAME=dbname' \
sameersbn/mysql:5.7.26-0
The above command will create a user dbuser with the password dbpass and will also create a database named dbname. The dbuser user will have full/remote access to the database.
NOTE
- If the
DB_NAME
is not specified, the user will not be created - If the user/database user already exists no changes are be made
- If
DB_PASS
is not specified, an empty password will be set for the user
By default the new database will be created with the utf8
character set and utf8_unicode_ci
collation. You may override these with the MYSQL_CHARSET
and MYSQL_COLLATION
variables.
docker run --name mysql -d \
-e 'DB_USER=dbuser' -e 'DB_PASS=dbpass' -e 'DB_NAME=dbname' \
-e 'MYSQL_CHARSET=utf8mb4' -e 'MYSQL_COLLATION=utf8_bin' \
sameersbn/mysql:5.7.26-0
Creating remote user with privileged access
To create a remote user with privileged access, you need to specify the DB_REMOTE_ROOT_NAME
and DB_REMOTE_ROOT_PASS
variables, eg.
docker run --name mysql -d \
-e 'DB_REMOTE_ROOT_NAME=root' -e 'DB_REMOTE_ROOT_PASS=secretpassword' \
sameersbn/mysql:5.7.26-0
Optionally you can specify the DB_REMOTE_ROOT_HOST
variable to define the address space within which remote access should be permitted. This defaults to 172.17.0.1
and should suffice for most cases.
Situations that would require you to override the default DB_REMOTE_ROOT_HOST
setting are:
- If you have changed the ip address of the
docker0
interface - If you are using host networking, i.e.
--net=host
, etc.
Shell Access
For debugging and maintenance purposes you may want access the containers shell. If you are using docker version 1.3.0
or higher you can access a running containers shell using docker exec
command.
docker exec -it mysql bash
If you are using an older version of docker, you can use the nsenter linux tool (part of the util-linux package) to access the container shell.
Some linux distros (e.g. ubuntu) use older versions of the util-linux which do not include the nsenter
tool. To get around this @jpetazzo has created a nice docker image that allows you to install the nsenter
utility and a helper script named docker-enter
on these distros.
To install nsenter
execute the following command on your host,
docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
Now you can access the container shell using the command
sudo docker-enter mysql
For more information refer https://github.com/jpetazzo/nsenter
Upgrading
To upgrade to newer releases, simply follow this 3 step upgrade procedure.
- Step 1: Stop the currently running image
docker stop mysql
- Step 2: Update the docker image.
docker pull sameersbn/mysql:5.7.26-0
- Step 3: Start the image
docker run --name mysql -d [OPTIONS] sameersbn/mysql:5.7.26-0
最近版本更新:(数据更新于 1970-01-01 00:00:00)
2019-07-06 15:45:10 5.7.26-0
2019-01-13 18:51:40 5.7.24
2018-07-13 20:00:20 5.7.22-1
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