快速搭建Discourse论坛

2017-12-11

Discourse Docker

# 安装 Docker / Git

    wget -qO- https://get.docker.com/ | sh

脚本会自动安装最新版本的docker和git。

# 注册 / 准备 mail server

discourse需要可以发送邮件才能正常工作，所以需要注册邮件服务，或者使用已有的邮件服务

国际免费的邮件服务如下：

#### [Mailgun][gun] &mdash; 10k emails/month (with credit card)

    SMTP server address? smtp.mailgun.org
    SMTP user name?      [SMTP credentials for your domain under domains tab]
    SMTP password?       [SMTP credentials for your domain under domains tab]

#### [Elastic Email][ee] &mdash; 150k emails/month

    SMTP server address? smtp.elasticemail.com
    SMTP user name?      [Your registered email address]
    SMTP password?       [Elastic Email API Key]
    SMTP port?           2525

#### [SendGrid][sg] &mdash; 40k emails on a 30 day trial

    SMTP server address? smtp.sendgrid.net
    SMTP user name?      apikey
    SMTP password?       [SendGrid API Key]

国内可以用阿里云或者sendcloud

# 安装 discourse

```bash
sudo -s
mkdir /var/discourse
git clone https://github.com/discourse/discourse_docker.git /var/discourse
cd /var/discourse
./discourse-setup
```

脚本安装需要输入如下内容：

    Hostname for your Discourse? [discourse.example.com]: 
    Email address for admin account? [me@example.com]: 
    SMTP server address? [smtp.example.com]: 
    SMTP user name? [postmaster@discourse.example.com]: 
    SMTP port [587]:
    SMTP password? []: 

脚本安装大约需要10分钟左右，完成之后第一次访问站点，向导会要求输入上面admin account的密码以完成管理员账号的注册。

# 脚本管理 discourse

上述脚本会创建一个名为 app 的docker容器来跑discourse服务，可以通过 launcher 脚本来管理该容器，比如启动、查看log等

    /var/discourse# ./launcher
    Usage: launcher COMMAND CONFIG [--skip-prereqs] [--docker-args STRING]
    Commands:
        start:      Start/initialize a container
        stop:       Stop a running container
        restart:    Restart a container
        destroy:    Stop and remove a container
        enter:      Open a shell to run commands inside the container
        logs:       View the Docker logs for a container
        bootstrap:  Bootstrap a container for the config based on a template
        rebuild:    Rebuild a container (destroy old, bootstrap, start new)
        cleanup:    Remove all containers that have stopped for > 24 hours

    Options:
        --skip-prereqs             Don't check launcher prerequisites
        --docker-args              Extra arguments to pass when running docker
        --skip-mac-address         Don't assign a mac address


# 参考：

* [INSTALL-cloud](https://github.com/discourse/discourse/blob/master/docs/INSTALL-cloud.md)
* [Recommended Email Providers for Discourse](https://github.com/discourse/discourse/blob/master/docs/INSTALL-email.md)

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