max concurrency can not be greater than 300

kill_signal = “SIGINT”

kill_timeout = 5

processes =

[env]

PORT = “3000”

[experimental]

allowed_public_ports =

auto_rollback = true

[[services]]

http_checks =

internal_port = 3000

processes = [“app”]

protocol = “tcp”

script_checks =

[services.concurrency]

hard_limit = 100

soft_limit = 50

type = “connections”

[[services.ports]]

force_https = false

handlers = [“http”]

port = 80

[[services.ports]]

handlers = [“tls”, “http”]

port = 443

[[services.tcp_checks]]

grace_period = “1s”

interval = “15s”

restart_limit = 0

timeout = “2s”