scripts/entrypoint.sh

#!/usr/bin/env bash
set -euo pipefail

DATA_DIR="${LABEL_STUDIO_BASE_DATA_DIR:-/label-studio/data}"
LOG_DIR="${LABEL_STUDIO_LOG_DIR:-/label-studio/logs}"
mkdir -p "$DATA_DIR" "$LOG_DIR"

export PYTHONPATH="/app/scripts:${PYTHONPATH:-}"

if [[ "${R2_SYNC_ON_START:-1}" == "1" ]] && [[ -n "${R2_ACCESS_KEY_ID:-}" ]]; then
  python3 /app/scripts/sync_label_studio_r2.py pull --data-dir "$DATA_DIR" || true
fi

if [[ -n "${SECRET_KEY:-}" ]]; then
  printf 'SECRET_KEY=%s\n' "$SECRET_KEY" > "$DATA_DIR/.env"
fi

_sync_push() {
  if [[ "${R2_SYNC_ON_STOP:-1}" == "1" ]] && [[ -n "${R2_ACCESS_KEY_ID:-}" ]]; then
    python3 /app/scripts/sync_label_studio_r2.py push --data-dir "$DATA_DIR" || true
  fi
}
trap _sync_push EXIT INT TERM

if [[ "${R2_SYNC_INTERVAL_SEC:-300}" =~ ^[0-9]+$ ]] && [[ "${R2_SYNC_INTERVAL_SEC}" -gt 0 ]]; then
  (
    while true; do
      sleep "${R2_SYNC_INTERVAL_SEC}"
      _sync_push || true
    done
  ) &
fi

if [[ -n "${SPACE_HOST:-}" ]]; then
  exec label-studio --host="$SPACE_HOST"
else
  exec label-studio --host="${LABEL_STUDIO_HOST:-0.0.0.0}" --port="${LABEL_STUDIO_PORT:-8080}"
fi