Discourse是一款开源的论坛项目，将Ruby on Rails和Ember.js结合在一起，以PostgreSQL和Redis为数据库基础，摒弃了传统论坛的话题讨论模式，新增了自学习系统，在这里可以和用户或者粉丝进行探讨，打造一个完整的论坛回路。

安装配置方法

1、更新源

apt-get update

2、安装依赖软件

apt-get install ruby git

3、安装docker

wget -qO- https://get.docker.com/ | sh

安装完成后可以使用docker version查看

root@i-chxjfvpy:/tmp# docker version

Client:

Version: 1.9.1

API version: 1.21

Go version: go1.4.2

Git commit: a34a1d5

Built: Fri Nov 20 13:12:04 UTC 2015

OS/Arch: linux/amd64

Server:

Version: 1.9.1

API version: 1.21

Go version: go1.4.2

Git commit: a34a1d5

Built: Fri Nov 20 13:12:04 UTC 2015

OS/Arch: linux/amd64

当前我的是1.9.1版本

4、安装discourse

mkdir /data/discourse

git clone https://github.com/discourse/discourse_docker.git /data/discourse

cd /data/discourse

cp samples/standalone.yml containers/app.yml

ps:默认官方是放入/var目录里，我这里放入/data是因为这个目录是我云主机挂载的盘

root@i-chxjfvpy:~# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/vda1 18G 1.8G 15G 11% /

none 4.0K 0 4.0K 0% /sys/fs/cgroup

udev 3.9G 8.0K 3.9G 1% /dev

tmpfs 799M 412K 799M 1% /run

none 5.0M 0 5.0M 0% /run/lock

none 3.9G 0 3.9G 0% /run/shm

none 100M 0 100M 0% /run/user

/dev/vdb1 193G 60M 183G 1% /data

5、修改discourse配置

root@i-chxjfvpy:/data/discourse# grep -v "^ #" containers/app.yml |grep -v "^#"|sed '/^$/d'

templates:

- "templates/postgres.template.yml"

- "templates/redis.template.yml"

- "templates/web.template.yml"

- "templates/sshd.template.yml"

- "templates/web.ratelimited.template.yml"

- "templates/web.china.template.yml"

expose:

- "80:80" # fwd host port 80 to container port 80 (http)

- "2222:22" # fwd host port 2222 to container port 22 (ssh)

params:

db_default_text_search_config: "pg_catalog.english"

db_shared_buffers: "2GB"

db_work_mem: "40MB"

env:

LANG: en_US.UTF-8

UNICORN_WORKERS: 6

DISCOURSE_DEVELOPER_EMAILS: 'xxx@163.com'

DISCOURSE_HOSTNAME: 'discuss.xxx.net'

DISCOURSE_SMTP_ADDRESS: smtp.163.com # (mandatory)

DISCOURSE_SMTP_PORT: 25 # (optional)

DISCOURSE_SMTP_USER_NAME: xxx # (optional)

DISCOURSE_SMTP_PASSWORD: 123123 # (optional, WARNING the char '#' in pw can cause problems!)

DISCOURSE_SMTP_AUTHENTICATION: login

DISCOURSE_SMTP_OPENSSL_VERIFY_MODE: none

DISCOURSE_SMTP_ENABLE_START_TLS: false # (optional, default true)

volumes:

- volume:

host: /data/discourse/shared/standalone

guest: /shared

- volume:

host: /data/discourse/shared/standalone/log/var-log

guest: /var/log

hooks:

after_code:

- exec:

cd: $home/plugins

cmd:

- git clone https://github.com/discourse/docker_manager.git

run:

- exec: echo "Beginning of custom commands"

- exec: echo "End of custom commands"

- exec: awk -F\# '{print $1;}' ~/.ssh/authorized_keys | awk 'BEGIN { print "Authorized SSH keys for this container:"; } NF>=2 {print $NF;}'

下面是需要修改的

DISCOURSE_DEVELOPER_EMAILS是你邮件地址;

DISCOURSE_HOSTNAME是你web端打开的地址，可以是公网IP，也可以是dns域名;

DISCOURSE_SMTP_ADDRESS、DISCOURSE_SMTP_PORT、DISCOURSE_SMTP_USER_NAME、DISCOURSE_SMTP_PASSWORD是你邮箱信息，这个邮箱是用户注册或其他行为时，发送给用户进行验证的邮箱，其中密码DISCOURSE_SMTP_PASSWORD里不能包含#，否则会被识别有问题;

默认authentication是plain，但我测试使用163邮箱的话，无法登陆，所以改为login;

默认enable_starttls_auto是开启tls验证，我这里也给改为false;

另外在template里加入一行

- "templates/web.china.template.yml"

不加入的话，默认使用ruby的库是国外的ruby.org镜像源，加上这个后是使用国内taobao的ruby镜像源

具体配置参考注释，比如db_shared_buffers、db_work_mem、UNICORN_WORKERS根据你内存来配置。

6、生成镜像

默认是先下载一个公共的discourse/discourse镜像，然后会根据你的配置生成一个本地的镜像local_discourse/app,如下

root@i-su8g5dng:/tmp# docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

local_discourse/app latest 4272aa220d69 2 hours ago 1.877 GB

discourse/discourse 1.0.15 cb7b58c22b11 2 weeks ago 1.265 GB

下面是生成的命令

./launcher bootstrap app

86c397191c205624ded7181c06b1d73ea1856abe126a717354dc308d2964282a

cfbab5cb2ff9745616cb0e604c47644d2a7041445fda6b0da0aa697714bf466b

Successfully bootstrapped, to startup use ./launcher start app

root@i-chxjfvpy:/data/discourse# ./launcher start app

然后使用./launcher start app启动

root@i-chxjfvpy:/data/discourse# docker ps -a

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

d0b519f15db7 local_discourse/app "/sbin/boot" 35 seconds ago Up 33 seconds 0.0.0.0:80->80/tcp, 0.0.0.0:2222->22/tcp app

之后直接在web里输入域名或者ip就可以直接访问

7、配置管理员用户

参考https://meta.discourse.org/t/create-admin-account-from-console/17274

或者直接按照下面操作

进入容器

./launcher enter app

创建管理员账户

rake admin:create

下面是官方的介绍

You will be asked for Email, Password and Confirm Password.

After providing required information a new account will be created with random username.

Now you will be asked: Do you want to grant Admin privileges to this account? (Y/n). Press enter to continue.

You will see success message: Your account now has Admin privileges!.

That's it, you have created a new account with Admin privileges.

8、登陆验证

wKioL1Zn-JCy7RJGAAEsh96Zcfw349.png

登陆后的界面为

wKiom1Zn-EWRIZcoAAHoeVqGaJA410.png

9、修改为中文界面

wKiom1Zn-H-AO6GpAAGg4Y16mRE683.png

修改后刷新，然后显示为

wKiom1Zn-JOjHz7WAAHyj-nHK-k875.png

10、FAQ

如果遇到无法发送验证邮件，检测问题为

553 Mail from must equal authorized user

wKiom1Zn-LuhKxnSAAD6PI2jQoo647.png需要你修改

wKiom1Zn-NKw_k82AAFiZ_e6X1w855.png