wget https://raw.githubusercontent.com/jfhovinne/bpsh/master/bpsh && chmod +x bpsh

$ bpsh
bpsh - A shell script for building apps using Cloud Native Buildpacks and Podman

Usage:
  bpsh COMMAND
  bpsh [COMMAND] --help | -h
  bpsh --version | -v

Commands:
  build    Create a runnable app image from source code
  rebase   Rebase app image with latest run image

$ bpsh build --help
bpsh build - Create a runnable app image from source code

Alias: b

Usage:
  bpsh build IMAGE [OPTIONS]
  bpsh build --help | -h

Options:
  --help, -h
    Show this help

  --path, -p PATH
    Path to app dir
    Default: .

  --builder, -B BUILDER
    Builder image
    Default: docker.io/paketobuildpacks/builder

  --authfile AUTHFILE
    Path to file containing registry credentials

  --env, -e ENV (repeatable)
    Set an environment variable

Arguments:
  IMAGE
    The name of the image that will be built

Examples:
  bpsh build foo/goapp --path /path/to/foo/goapp
  bpsh build bar/phpapp --builder docker.io/paketobuildpacks/builder:full
  bpsh build foo/bar --authfile $HOME/.docker/config.json
  bpsh build bar/foo --env FOO=bar --env BAR=foo

$ bpsh rebase --help
bpsh rebase - Rebase app image with latest run image

Alias: r

Usage:
  bpsh rebase IMAGE [OPTIONS]
  bpsh rebase --help | -h

Options:
  --help, -h
    Show this help

  --builder, -B BUILDER
    Builder image
    Default: docker.io/paketobuildpacks/builder

  --authfile AUTHFILE
    Path to file containing registry credentials

Arguments:
  IMAGE
    The name of the image to rebase

Examples:
  bpsh rebase foo/bar --authfile $HOME/.docker/config.json