add python requirements for frontendserver

Author: Fr4nc3

src/frontend_react/.env.example

@@ -0,0 +1,13 @@
+# This is a sample .env file for the frontend application.
+
+API_URL=http://localhost:8000
+ENABLE_AUTH=false
+# VITE_APP_MSAL_AUTH_CLIENTID=""
+# VITE_APP_MSAL_AUTH_AUTHORITY=""
+# VITE_APP_MSAL_REDIRECT_URL="/"
+# VITE_APP_MSAL_POST_REDIRECT_URL="/"
+# REACT_APP_MSAL_AUTH_CLIENTID=""
+# REACT_APP_MSAL_AUTH_AUTHORITY=""
+# REACT_APP_MSAL_REDIRECT_URL="/"
+# REACT_APP_MSAL_POST_REDIRECT_URL="/"
+

src/frontend_react/.env.sample

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+import os
+
+import uvicorn
+from dotenv import load_dotenv
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import FileResponse, HTMLResponse
+from fastapi.staticfiles import StaticFiles
+
+# Load environment variables from .env file
+load_dotenv()
+
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Build paths
+BUILD_DIR = os.path.join(os.path.dirname(__file__), "dist")
+INDEX_HTML = os.path.join(BUILD_DIR, "index.html")
+
+# Serve static files from build directory
+app.mount(
+    "/assets", StaticFiles(directory=os.path.join(BUILD_DIR, "assets")), name="assets"
+)
+
+
+@app.get("/")
+async def serve_index():
+    return FileResponse(INDEX_HTML)
+
+
+@app.get("/config")
+async def get_config():
+    config = {
+        "API_URL": os.getenv("API_URL", "API_URL not set"),
+        "REACT_APP_MSAL_AUTH_CLIENTID": os.getenv(
+            "REACT_APP_MSAL_AUTH_CLIENTID", "Client ID not set"
+        ),
+        "REACT_APP_MSAL_AUTH_AUTHORITY": os.getenv(
+            "REACT_APP_MSAL_AUTH_AUTHORITY", "Authority not set"
+        ),
+        "REACT_APP_MSAL_REDIRECT_URL": os.getenv(
+            "REACT_APP_MSAL_REDIRECT_URL", "Redirect URL not set"
+        ),
+        "REACT_APP_MSAL_POST_REDIRECT_URL": os.getenv(
+            "REACT_APP_MSAL_POST_REDIRECT_URL", "Post Redirect URL not set"
+        ),
+        "ENABLE_AUTH": os.getenv("ENABLE_AUTH", "false"),
+    }
+    return config
+
+
+@app.get("/{full_path:path}")
+async def serve_app(full_path: str):
+    # First check if file exists in build directory
+    file_path = os.path.join(BUILD_DIR, full_path)
+    if os.path.exists(file_path):
+        return FileResponse(file_path)
+    # Otherwise serve index.html for client-side routing
+    return FileResponse(INDEX_HTML)
+
+
+if __name__ == "__main__":
+    uvicorn.run(app, host="127.0.0.1", port=3000)

src/frontend_react/frontend_server.py

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+fastapi
+uvicorn[standard]
+# uvicorn removed and added above to allow websocket support
+jinja2
+azure-identity
+python-dotenv
+python-multipart