KvUmbrella
Run MIX_ENV=prod iex -S mix phx.server
In Hello:
config :hello, HelloWeb.Endpoint,
load_from_system_env: true,
url: [scheme: "https", host: {:system, "MANAGER_HOST"}, port: {:system, "MANAGER_HOST_PORT"}],
cache_static_manifest: "priv/static/cache_manifest.json"
In Hello 2
config :hello2, Hello2Web.Endpoint,
load_from_system_env: true,
url: [host: "example.com", port: 80],
cache_static_manifest: "priv/static/cache_manifest.json"