Slightly better build process. Socket.io can now add CORS allowed origin

Dockerfile

@@ -0,0 +1,23 @@
+FROM python:3.13-slim-bookworm AS build
+
+WORKDIR /santa
+RUN mkdir -p /santa/WebServer/static
+COPY setup-server.sh /santa/setup-server.sh
+RUN apt-get update && apt-get install -y curl bzip2
+RUN /santa/setup-server.sh --download-only
+COPY requirements.txt /santa/requirements.txt
+COPY src/setup.py /santa/src/setup.py
+COPY src/SantaExchange/ /santa/src/SantaExchange/
+RUN pip install -r /santa/requirements.txt
+RUN /santa/setup-server.sh
+
+FROM python:3.13-slim-bookworm
+RUN pip install flask flask-socketio gunicorn eventlet
+COPY --from=build /santa/WebServer /WebServer
+COPY WebServer/__init__.py WebServer/server.py /WebServer/
+COPY WebServer/templates/ /WebServer/templates/
+COPY WebServer/static/exchange_client.py WebServer/static/exchange_worker.js WebServer/static/style.css /WebServer/static/
+
+WORKDIR /WebServer
+EXPOSE 8000
+CMD ["gunicorn", "--worker-class", "eventlet", "-w", "1", "--bind", "0.0.0.0:8000", "server:app"]

WebServer/server.py

@@ -1,10 +1,12 @@
-import json
-from collections import defaultdict
+import os
 
 from flask import Flask, render_template
 from flask_socketio import SocketIO, join_room, leave_room, send
 
 app = Flask(__name__)
+if 'CORS_ORIGIN' in os.environ and os.environ['CORS_ORIGIN'] is not None:
+	socketio = SocketIO(app, cors_allowed_origins=[os.environ['CORS_ORIGIN']])
+else:
 	socketio = SocketIO(app)
 
 if __name__ == 'main':

setup-server.sh

@@ -17,6 +17,10 @@ if ! test -f ./WebServer/static/socket.io.min.js; then
 fi
 echo "Socket.io is installed"
 
+if [[ "$1" == "--download-only" ]]; then
+	exit 0
+fi
+
 echo "Building wheel file of SantaExchange package"
 cd src/
 python setup.py bdist_wheel