#1 楼 @Rei 我是 mac brew install libxslt-dev libxml2-dev Error: No available formula for libxslt-dev

放弃这个问题了，，因为直接部署在 ubuntu 已经不是 discourse 官方支持的做法。乖乖用 docker.io 部署了

#5 楼 @cassiuschen RUBY_GC_MALLOC_LIMIT=90000000 RAILS_ROOT=/var/www/discourse RAILS_ENV=production NUM_WEBS=2 bluepill --no-privileged -c ~/.bluepill load /var/www/discourse/config/discourse.pill

#1 楼 @cassiuschen 谢谢，我在 discourse.conf 找到了 db_password 的配置。然后运行页面变成 500 了，看到 production_errors.log 错误日志为：

…… [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:80:in catch' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:80:inpre_process' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:55:in process' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/connection.rb:41:inreceive_data' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/eventmachine-1.0.3/lib/eventmachine.rb:187:in run_machine' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/eventmachine-1.0.3/lib/eventmachine.rb:187:inrun' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/backends/base.rb:73:in start' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/server.rb:162:instart' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/controllers/controller.rb:87:in start' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/runner.rb:200:inrun_command' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/lib/thin/runner.rb:156:in run!' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/gems/thin-1.6.1/bin/thin:6:in<top (required)>' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/bin/thin:23:in load' [RAILS_ROOT]/vendor/bundle/ruby/2.0.0/bin/thin:23:in<main>' ERROR: relation "groups" does not exist LINE 5: WHERE a.attrelid = '"groups"'::regclass ^ http://localhost:3021/ PG::Error