mock worker

python3 - <<'PY'
from http.server import BaseHTTPRequestHandler, HTTPServer
import json, re
class H(BaseHTTPRequestHandler):
def do_POST(self):
import re, json
m = re.match(r"^/invoke/([^/]+)$", self.path)
ln = int(self.headers.get("Content-Length","0"))
body = self.rfile.read(ln).decode() if ln>0 else "{}"
try: payload = json.loads(body or "{}")
except: payload = {"raw": body}
if not m: self.send_response(404); self.end_headers(); return
self.send_response(200); self.send_header("Content-Type","application/json"); self.end_headers()
self.wfile.write(json.dumps({"function": m.group(1), "received": payload}).encode())
HTTPServer(("127.0.0.1", 5000), H).serve_forever()
PY

run from repo/go (Linux container)

export OL_URL=http://host.docker.internal:5000
./ol-linux help invoke
./ol-linux invoke --func echo --data '{"hello":"ol"}' --pretty
./ol-linux invoke --func echo --json payload.json --pretty
./ol-linux invoke --func echo --file input.bin --header "X-Demo: test"