==================
No param
==================

COPY /src ./dst

---

(source_file
	(copy_instruction
		(path)
		(path)))

==================
With param
==================

COPY --chown=a:b /src ./dst

---

(source_file
	(copy_instruction
		(param)
		(path)
		(path)))

==================
Multiple files
==================

COPY src1 src2 dst

---

(source_file
  (copy_instruction
    (path)
    (path)
    (path)))

==================
Multiple params
==================

COPY --chown=a:b --chmod=644 src dst

---

(source_file
  (copy_instruction
    (param)
    (param)
    (path)
    (path)))