#!/bin/sh
set -eu

if [ -n "${VAULT_TOKEN_FILE:-}" ] && [ -f "${VAULT_TOKEN_FILE}" ]; then
  token="$(cat "${VAULT_TOKEN_FILE}" 2>/dev/null | tr -d '[:space:]')"
  if [ -n "${token}" ]; then
    export VAULT_TOKEN="${token}"
  fi
fi

if [ -z "${VAULT_TOKEN:-}" ]; then
  echo "[entrypoint] VAULT_TOKEN is not set; expected Vault Agent sink to write a token to ${VAULT_TOKEN_FILE:-/run/vault/token}" >&2
fi

exec /app/chain-gateway "$@"