#!/bin/sh

# Set content-type to text/plain
echo "Content-type: text/plain"
echo ""

# read JSON from request body (stdin) and store in a tempoary file (fd)
tmpfile="$(mktemp /tmp/req.XXXXXX)"
trap 'rm -f -- "$tmpfile"' INT TERM HUP EXIT
cat >"$tmpfile"

# Extract fname and lname fields from JSON
firstName="$(jq -r '.fname' <"$tmpfile")"
lastName="$(jq -r '.lname' <"$tmpfile")"

# Send a response
printf "Hello %s %s !" "$firstName" "$lastName"