Install gateway runtime from official Napseer scripts

Dockerfile

@@ -5,13 +5,36 @@ WORKDIR /workspace
 RUN dnf -y install ca-certificates curl git openssh-clients python3 tmux util-linux \
     && dnf clean all
 
-COPY resources/scripts/napseer_mcp_server.py /opt/napseer/napseer_mcp_server.py
-COPY resources/scripts/napseer_spake2.py /opt/napseer/napseer_spake2.py
+RUN python3 - <<'PY'
+import json
+import os
+import pathlib
+import subprocess
+import sys
+import urllib.request
+
+base_url = "https://api.napseer.com"
+request = urllib.request.Request(
+    f"{base_url}/v1/scripts/nap_install.py",
+    headers={"User-Agent": "napseer-gateway-docker/0.1"},
+)
+payload = json.loads(urllib.request.urlopen(request, timeout=30).read().decode("utf-8"))
+installer = pathlib.Path("/tmp/nap_install.py")
+installer.write_text(payload["content"], encoding="utf-8")
+subprocess.check_call(
+    [sys.executable, str(installer), "install"],
+    env={**os.environ, "NAPSEER_HOME": "/opt/napseer", "NAPSEER_BIN_DIR": "/usr/local/bin", "NAPSEER_BASE_URL": base_url},
+)
+PY
 
 ENV PYTHONPATH=/opt/napseer
+ENV NAPSEER_HOME=/opt/napseer
+ENV NAPSEER_BIN_DIR=/usr/local/bin
+ENV NAPSEER_BASE_URL=https://api.napseer.com
 ENV NAPSEER_GATEWAY_PORT=0
+ENV NAPSEER_GATEWAY_PTY_TERMINAL=1
 ENV NAPSEER_SERVICE_ACTIVATION_TIMEOUT_SECONDS=900
 
 VOLUME ["/workspace/.napseer"]
 
-CMD ["python3", "/opt/napseer/napseer_mcp_server.py", "gateway", "service", "run"]
+CMD ["nap", "gateway", "service", "run"]