第一步：下载镜像 

docker pull ibmcom/db2express-c:latest

备注：docker  images -a 可以查看已安装镜像；

第二步：启动镜像 

docker run -d --name db2 -p 50000:50000 -e DB2INST1_PASSWORD=[数据库密码] -e LICENSE=accept ibmcom/db2express-c:latest db2start

参数解释：

1.-p 50000:50000 允许远程的客户端可以从50000 端口连接到数据库实例（端口映射，格式为：主机(宿主)端口:容器端口）.

2.-d: 后台运行容器，并返回容器ID；

4.--name="db2 ": 为容器指定一个名称；
5.通过指定 -e DB2INST1_PASSWORD=[数据库密码] 参数, 你可以为缺省的Db2实例用户db2inst1设置密码.
6.通过指定-e LICENSE=accept参数, 表示你接受了使用Db2软件的许可证协议.

[root@izwz9id0dphnuy2q3l6rdoz ~]# docker run -d --name db2 -p 50000:50000 -e DB2INST1_PASSWORD=wyPwd -e LICENSE=accept ibmcom/db2express-c:latest db2start
8d9b3b2a34f45f76eeace05ab158da68a721dbd2fdf4ac689f0aec0a2c0b4d1e
[root@izwz9id0dphnuy2q3l6rdoz ~]# docker ps -a
CONTAINER ID        IMAGE                        COMMAND                  CREATED             STATUS              PORTS                              NAMES
8d9b3b2a34f4        ibmcom/db2express-c:latest   "/entrypoint.sh db..."   4 seconds ago       Up 3 seconds        22/tcp, 0.0.0.0:50000->50000/tcp   db2
[root@izwz9id0dphnuy2q3l6rdoz ~]# netstat -lnp | grep 50000
tcp6       0      0 :::50000                :::*                    LISTEN      16178/docker-proxy- 
[root@izwz9id0dphnuy2q3l6rdoz ~]# docker exec -it db2 /bin/bash
[root@8d9b3b2a34f4 /]# su db2inst1
[db2inst1@8d9b3b2a34f4 /]$ db2 create db db2Tansun using codeset UTF-8 territory CN
SQL1001N  "db2Tansun" is not a valid database name.  SQLSTATE=2E000
[db2inst1@8d9b3b2a34f4 /]$ whoami
db2inst1
[db2inst1@8d9b3b2a34f4 /]$ db2 create db test111 using codeset UTF-8 territory CN
DB20000I  The CREATE DATABASE command completed successfully.

第三步：进入镜像 并切换用户

docker exec -it db2 /bin/bash

备注：

1.docker exec ：在运行的容器中执行命令

2.-t :分配一个伪终端

3.db2 是容器的名称

切换用户：su db2inst1

第四步：创建数据库 

db2 create database AUDIT using codeset GBK territory cn

[db2inst1@8d9b3b2a34f4 /]$ db2start
SQL1026N  The database manager is already active.
[db2inst1@8d9b3b2a34f4 /]$ db2 create database AUDIT using codeset GBK territory cn
DB20000I  The CREATE DATABASE command completed successfully.
[db2inst1@8d9b3b2a34f4 /]$  db2 connect to AUDIT

   Database Connection Information

 Database server        = DB2/LINUXX8664 10.5.5
 SQL authorization ID   = DB2INST1
 Local database alias   = AUDIT

第五步：DBeaver工具可以连接DB2数据库 
用户名: db2inst1 
数据库名： AUDIT
密码：[数据库密码]

端口：5000

第六步：给数据库创建数据库管理员（只要执行6个命令）

命令解释：

a. 进入镜像 

docker exec -it db2 /bin/bash

b.在镜像里面 添加用户 

useradd -g users -d /home/mtdb2dev -s /bin/bash -m mtdb2dev

c.修改用户密码

 

passwd mtdb2dev

d.切换到 db2inst1用户

su db2inst1

e.链接目标数据库 

db2 connect to mtdb2DB

f.给数据库授权用户 

db2 grant dbadm on database to user mtdb2dev

[root@iZwz9f8tlwa63jzf3cc38xZ /]# docker exec -it db2 /bin/bash
[root@7e548a00f585 /]# useradd -g users -d /home/mtdb2dev -s /bin/bash -m mtdb2dev
[root@7e548a00f585 /]# passwd mtdb2dev
Changing password for user mtdb2dev.
New password: 
BAD PASSWORD: The password contains the user name in some form
Retype new password: 
passwd: all authentication tokens updated successfully.
[root@7e548a00f585 /]# su db2inst1
[db2inst1@7e548a00f585 /]$  db2 connect to mtdb2DB

   Database Connection Information

 Database server        = DB2/LINUXX8664 10.5.5
 SQL authorization ID   = DB2INST1
 Local database alias   = MTDB2DB

[db2inst1@7e548a00f585 /]$ db2 grant dbadm on database to user mtdb2dev
DB20000I  The SQL command completed successfully.