docker-entrypoint.sh

#!/bin/sh
# Start the Python strategy runtime, then hand PID 1's job to the agent.
#
# The agent cannot do anything useful without the runtime — it validates,
# backtests and ticks every strategy through it — so if the runtime dies the
# container must die too rather than serve a factory that silently stops
# evaluating. That is what the watchdog below enforces.
set -eu

python3 -m nectar_runtime.server &
RUNTIME_PID=$!

# Wait for it to bind before the agent starts probing.
i=0
while [ "$i" -lt 50 ]; do
  if node -e "fetch('http://127.0.0.1:'+(process.env.RUNTIME_PORT||8799)+'/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))" 2>/dev/null; then
    break
  fi
  i=$((i + 1))
  sleep 0.2
done

# If the runtime exits at any point, take the whole container down. This polls
# rather than `wait`s: the watchdog runs in a subshell, which is not the
# runtime's parent, so `wait` there would return immediately and kill a
# perfectly healthy container.
(
  while kill -0 "$RUNTIME_PID" 2>/dev/null; do
    sleep 2
  done
  echo "strategy runtime exited — stopping the worker" >&2
  kill -TERM 1 2>/dev/null || true
) &

exec node apps/agent/dist/index.js