如何将 Discourse 从一台服务器迁移到另一台服务器，使用相同的 DNS 名称

[RBoy]

@RBoy

Create 2GB swap # not doing this may cause rebuild to fail

For anyone using 1GB RAM be sure to create atleast 4GB swap otherwise the rebuild will fail. See 3.1.x to 3.2.0 upgrade hangs/fails on 1GB instance