This syntax is compatible with the current Sidekiq version we use
(2.17.0) and it protects us against future breakage by
https://github.com/mperham/sidekiq/commit/040eda558bc64139c846c781d3de0b79603e3035
#!/bin/bash to allow for transparency between OS namely Linux and FreeBSD and for source installs of bash where path is not exported by default for /usr/local/{bin,sbin}