Helmfile is a declarative specification for deploying several Helm charts.
Helmfile name should be by default is "helmfile.yaml".
Helmfile (helmfile.yaml) and Helm Charts must be in the same location path of directory.

Download the Helmfile binary file from 'https://github.com/roboll/helmfile/releases'.

Rename the file from 'helmfile_linux_amd64' to 'helmfile'.
$ mv helmfile_linux_amd64 helmfile

Change the permission of the file and make it executable.
$ chmod 777 helmfile

Move the file from current location to '/usr/local/bin'.
$ mv helmfile /usr/local/bin

After moving the file verify the Helmfile installation by running the command.
$ helmfile --version

[Commands]
helmfile --version

helmfile repos                              # to add the repository to instance

helmfile sync                               # to install/uninstall of Helm Charts
