./pdfcpu import out.pdf image-00001.jpg image-00002.jpg
appending to out.pdf...
pdfcpu: Invalid import configuration string. Please consult pdfcpu help import

./pdfcpu help import
usage: pdfcpu import -- [description] outFile imageFile...

common flags: -v(erbose)  ... turn on logging
              -vv         ... verbose logging
              -q(uiet)    ... disable output
              -c(onf)     ... set or disable config dir: $path|disable
              -opw        ... owner password
              -upw        ... user password
              -u(nit)     ... display unit: po(ints) ... points
                                            in(ches) ... inches
                                                  cm ... centimetres
                                                  mm ... millimetres

Turn image files into a PDF page sequence and write the result to outFile.
If outFile already exists the page sequence will be appended.
Each imageFile will be rendered to a separate page.
In its simplest form this converts an image into a PDF: "pdfcpu import img.pdf img.jpg"

description ... dimensions, format, position, offset, scale factor, boxes
    outFile ... output PDF file
  imageFile ... a list of image files

  <description> is a comma separated configuration string containing:

  optional entries:

      (defaults: "d:595 842, f:A4, pos:full, off:0 0, sc:0.5 rel, dpi:72, gray:off, sepia:off")

./pdfcpu import -- "d:595 842, f:A4, pos:full, off:0 0, sc:0.5 rel, dpi:72, gray:off, sepia:off" out.pdf image-00001.jpg image-00002.jpg
pdfcpu: ambiguous parameter prefix "d"