Gogs 是 一个能够简单自建Git托管服务的开源项目，用 go 语言实现。
Gogs 官方地址

概况

  • 掌握了如何运用Docker安装启动 Gogs
  • 掌握了如何运用Docker安装启动 Mysql
  • 掌握了如何使用Docker compose 命令整合 Gogs & Mysql 两个容器

MySQL 镜像的下载、启动容器

  1. 从默认的仓库拉取mysql镜像：docker pull mysql
  2. 查看本地有哪些镜像：docker images
  3. 运行mysql镜像生成名字叫做mysql2的容器，映射主机端口是13306，root密码是123456 ： docker run
  4. 查看本地创建了哪些容器 docker ps
  5. 交互方式进入mysql2容器的shell环境，创建一个数据库testdb docker exec
[root@localhost ~]# docker pull mysql
[root@localhost ~]# docker images
REPOSITORY                              TAG                 IMAGE ID            CREATED             SIZE
mysql                                   latest              eda6a4884645        2 days ago          383.4 MB
hello-world                             latest              c54a2cc56cbb        3 months ago        1.848 kB
index.tenxcloud.com/huangqg/wordpress   latest              88bc02275ad7        12 months ago       485.5 MB
[root@localhost ~]# docker run -d -p 13306:3306  --name mysql2 -v /opt/mydata/:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=123456 mysql:latest
01ff7db79a2bba578f4cef7024cd1e02bfec1084478e7835a79aeed317278b03
[root@localhost ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                     NAMES
01ff7db79a2b        mysql:latest        "docker-entrypoint.sh"   29 seconds ago      Up 27 seconds       0.0.0.0:13306->3306/tcp   mysql2
[root@localhost ~]# docker exec -it mysql2 /bin/bash
root@01ff7db79a2b:/# mysql --version
mysql  Ver 14.14 Distrib 5.7.16, for Linux (x86_64) using  EditLine wrapper
root@01ff7db79a2b:/# mysql -uroot -p123456
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.16 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> create database testdb;
Query OK, 1 row affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| testdb             |
+--------------------+
5 rows in set (0.00 sec)

主机（Win10中文版）访问虚拟机MySQL的 Docker 容器 mysql2
看到了 testdb 的存在

D:\>mysql -h 192.168.1.161 -P 13306 -uroot -p
Enter password: ******
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.16 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> create database testdb;
Query OK, 1 row affected (0.00 sec)

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| testdb             |
+--------------------+
5 rows in set (0.00 sec)

Gogs 镜像的下载、启动容器

[Gogs 镜像地址] (https://hub.docker.com/r/gogs/gogs/)

[root@localhost ~]# docker pull gogs/gogs
Using default tag: latest
latest: Pulling from gogs/gogs
6c123565ed5e: Pull complete
b42f29d13b9c: Pull complete
01150f5f4ffe: Pull complete
be1365fee626: Pull complete
6ccc52766b77: Pull complete
cb0e4cd5b47d: Pull complete
Digest: sha256:f206e8bcc77c8577fe1c4a94e59fe3a3a0ddb8e0f8f4fa6cf4a88d241c645d20
Status: Downloaded newer image for gogs/gogs:latest
[root@localhost ~]# docker images
REPOSITORY                              TAG                 IMAGE ID            CREATED             SIZE
mysql                                   latest              eda6a4884645        4 days ago          383.4 MB
gogs/gogs                               latest              d28f8296a1e9        4 weeks ago         89.22 MB
hello-world                             latest              c54a2cc56cbb        3 months ago        1.848 kB
index.tenxcloud.com/huangqg/wordpress   latest              88bc02275ad7        12 months ago       485.5 MB
[root@localhost ~]# docker run -d --name=mygogs -p 10022:22 -p 10080:3000 -v /var/gogs:/data gogs/gogs 
8d9da372bd4373532623cf875300ef21c0b166f78f2fd73cdf9b733cc747f647
[root@localhost ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                            NAMES
8d9da372bd43        gogs/gogs           "docker/start.sh /bin"   7 seconds ago       Up 6 seconds        0.0.0.0:10022->22/tcp, 0.0.0.0:10080->3000/tcp   mygogs
01ff7db79a2b        mysql:latest        "docker-entrypoint.sh"   27 hours ago        Up 42 minutes       0.0.0.0:13306->3306/tcp                          mysql2

Gogs 的配置和使用

  1. 打开chrome 浏览器，输入网址 ：http://192.168.1.161:10080/

  2. 第一次访问Gogs，浏览器进入安装页面，如图所示填写字段：

  4. 编辑 Gogs 配置文件（ vi /var/gogs/gogs/conf/app.ini）
  5. 修改 ROOT_URL = http://192.168.1.161:10080/ 
  6. ......
[server]
DOMAIN       = 192.168.1.161
HTTP_PORT    = 3000
ROOT_URL     = http://192.168.1.161:10080/
DISABLE_SSH  = false
SSH_PORT     = 10022
OFFLINE_MODE = false
......

    问题：为什么可以修改 Host 的 /var/gogs/ 目录的文件，就可以改变容器里的配置文件？
    答案：因为启动容器的时候，我们使用 -v /var/gogs:/data 把 Host 里的目录 /var/gogs 挂载到容器的/data/目录

    1. 查看数据库的情况
    C:\Users\andy>mysql -h 192.168.1.161 -P 13306 -uroot -p123456
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.7.16 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| gogs               |
| mysql              |
| performance_schema |
| sys                |
| testdb             |
+--------------------+
6 rows in set (0.06 sec)

mysql> use gogs
Database changed
mysql> show tables;
+----------------+
| Tables_in_gogs |
+----------------+
| access         |
| access_token   |
| action         |
| attachment     |
| collaboration  |
| comment        |
| deploy_key     |
| email_address  |
| follow         |
| hook_task      |
| issue          |
| issue_label    |
| issue_user     |
| label          |
| login_source   |
| milestone      |
| mirror         |
| notice         |
| org_user       |
| public_key     |
| pull_request   |
| release        |
| repository     |
| star           |
| team           |
| team_repo      |
| team_user      |
| update_task    |
| upload         |
| user           |
| version        |
| watch          |
| webhook        |
+----------------+
33 rows in set (0.00 sec)

    转自：https://www.jianshu.com/p/64e9708c23e7
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