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Deploy Ruby-china as a New Forum Software to Aliyun

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This wiki based on the Ubuntu 14.04.5 LTS Server.

Prerequisites

apt-get update && apt-get upgrade
apt-get dist-upgrade
apt-get install software-properties-common htop curl git

memcached

apt-get install memcached

Redis

add-apt-repository ppa:chris-lea/redis-server
apt-get update && apt-get install redis-server

PostgreSQL

echo "deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main" > /etc/apt/sources.list.d/pgdg.list
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
apt-get update && apt-get install postgresql
apt-get install libpq-dev

imagemagick

apt-get install imagemagick

node.js

curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -
apt-get install -y nodejs build-essential

Oracle Java

add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java8-installer

Elasticsearch

wget -qO - https://packages.elastic.co/GPG-KEY-elasticsearch | apt-key add -
echo "deb http://packages.elastic.co/elasticsearch/2.x/debian stable main" | tee -a /etc/apt/sources.list.d/elasticsearch-2.x.list
apt-get update && apt-get install elasticsearch
update-rc.d elasticsearch defaults
service elasticsearch start

RVM

gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
\curl -sSL https://get.rvm.io | bash -s stable

Ruby 2.4.0

rvm requirements
echo "ruby_url=https://cache.ruby-china.org/pub/ruby" > ~/.rvm/user/db # if need mirror.
rvm install 2.4.0 --disable-binary
rvm use 2.4.0 --default
echo "gem: --no-document" >> /etc/gemrc
echo "gem: --no-document" >> ~/.gemrc
gem sources --add https://gems.ruby-china.org/ --remove https://rubygems.org/ # if need mirror
gem install bundler

Nginx

add-apt-repository ppa:nginx/stable
apt-get update && apt-get install nginx

Create deploy user

sudo adduser \
--system \
--shell /bin/bash \
--gecos 'deploy user' \
--group \
--disabled-password \
--home /data/www deploy
mkdir /data/www/deploy/.ssh
cp ~/.ssh/authorized_keys /data/www/deploy/.ssh/
chown deploy:deploy -R .ssh/

Prepare setting files while doing cap deploy

cap production deploy
cp config/secrets.yml.default config/secrets.yml
cp config/database.yml.default config/database.yml
cp config/config.yml.default config/config.yml
cp config/redis.yml.default config/redis.yml
cp config/puma.example.rb config/puma-web.rb
cp config/elasticsearch.yml.default config/elasticsearch.yml

Change as necessory

vi /data/www/ruby-china/shared/config/database.yml
vi /data/www/ruby-china/shared/config/config.yml
vi /data/www/ruby-china/shared/config/secrets.yml

notice SECRET_KEY_BASE can get from rails secret

Create DB

sudo su - postgres
psql
CREATE ROLE deploy;
ALTER ROLE deploy LOGIN;
CREATE DATABASE ftghub_prod WITH ENCODING='UTF8' OWNER='deploy';
vi /etc/postgresql/9.6/main/pg_hba.conf
# TYPE DATABASE USER ADDRESS METHOD
local ftghub_prod deploy peer
service postgresql restart

Deploy

cap production deploy

Mapping nginx to puma

upstream ruby_china_backend {
# This is the socket we configured in unicorn.rb
server unix:///data/www/ruby-china/shared/tmp/sockets/puma.sock fail_timeout=0;
keepalive 3;
}
server {
listen 80;
server_name ftghub.com;
root /www/ruby-china/current/public;
gzip_static on; #to serve pre-gzipped version
if (-f $document_root/system/maintenance.html) {
rewrite ^(.*)$ /system/maintenance.html break;
}
location ~ (/assets|/system|/avatar.png|/favicon.ico|/*.txt) {
access_log off;
expires 14d;
gzip_static on;
add_header Cache-Control public;
}
location / {
if ($host != 'ftghub.com') {
rewrite ^/(.*)$ http://ftghub/$1 permanent;
}
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_buffering on;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "Upgrade";
proxy_set_header X-Forwarded-Proto https;
proxy_pass http://ruby_china_backend;
gzip on;
}
error_page 500 502 503 504 /500.html;
location = /500.html {
root /www/ruby-china/current/public;
}
}

Running DB seed

bundle exec rake db:seed RAILS_ENV=production

Reindex ElasticSearch

Must ensure those model at least having one record each.

rake environment elasticsearch:import:model CLASS=Page FORCE=y RAILS_ENV=production
rake environment elasticsearch:import:model CLASS=Topic FORCE=y RAILS_ENV=production
rake environment elasticsearch:import:model CLASS=User FORCE=y RAILS_ENV=production

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