initial project

Dockerfile

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+# Base image
+FROM python:3.10-slim
+
+# Install necessary dependencies
+RUN apt-get update \
+    && apt-get install -y openssl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* /var/cache/apt/archives/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy the FastAPI application code to the container
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install -r requirements.txt
+
+COPY . .
+
+# Expose the HTTPS port
+EXPOSE 443 5080
+
+# Command to run FastAPI with SSL
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "5080"]

main.py

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+from fastapi import FastAPI, WebSocket, WebSocketDisconnect, Depends, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import uvicorn
+from dotenv import load_dotenv
+import os
+
+# Load environment variables from .env file
+load_dotenv()
+
+app = FastAPI()
+
+# CORS Middleware: restrict access to only trusted origins
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    #allow_origins=["https://your-frontend-domain.com"],
+    #allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Fetch the secure token from environment variables
+SECURE_TOKEN = os.getenv("SECURE_TOKEN")
+PORT = os.getenv("PORT")
+
+# Simple token-based authentication dependency
+async def authenticate_token(token: str):
+    if token != f"Bearer {SECURE_TOKEN}":
+        raise HTTPException(status_code=401, detail="Invalid token")
+
+# WebSocket endpoint
+@app.websocket("/ws")
+async def websocket_endpoint(websocket: WebSocket, token: str = Depends(authenticate_token)):
+    await websocket.accept()
+    try:
+        while True:
+            data = await websocket.receive_text()
+            print(f"Message from client: {data}")
+            await websocket.send_text(f"Server received: {data}")
+    except WebSocketDisconnect:
+        print("Client disconnected")
+
+if __name__ == "__main__":
+    # Run the server without TLS (insecure)
+    uvicorn.run("main:app", host="0.0.0.0", port=PORT)

requirements.txt

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+python-dotenv==1.0.1
+fastapi==0.115.2
+uvicorn==0.31.1
+websockets==13.1