Most projects will never need to scale to two web servers. The ones that do will be successful enough to have the resources to migrate. But I guess this all de

Most projects will never need to scale to two web servers. The ones that do will be successful enough to have the resources to migrate. But I guess this all depends on whether it's B2B (likely not to have that many customers), B2C (potentially more users), or a hobby project (gimme operational simplicity!). And many other variables. YMMV!