If you're in AWS, you can use their ELB (Elastic Load Balancer) service instead of setting up your own haproxy. I worked on a team that used it for years withou

If you're in AWS, you can use their ELB (Elastic Load Balancer) service instead of setting up your own haproxy. I worked on a team that used it for years without any issues orchestrating zero-downtime deployments. It was extremely easy and didn't require any real configuration.