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Dockerfile

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+FROM python:3.11-slim
+
+RUN pip install --no-cache-dir fastapi uvicorn httpx
+
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+COPY --chown=user . .
+
+EXPOSE 7860
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

README.md

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+---
+title: RC Proxy
+emoji: 🔁
+colorFrom: blue
+colorTo: green
+sdk: docker
+pinned: false
+---

app.py

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+import httpx
+from fastapi import FastAPI, Request, Response
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import PlainTextResponse
+
+TARGET = "https://rc.bwa.ad"
+PLUGIN_URL = "https://bwa.ad/rc"
+
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+async def fetch(url, method="GET", headers=None, body=None):
+    async with httpx.AsyncClient(timeout=30, follow_redirects=True) as client:
+        return await client.request(method=method, url=url, headers=headers or {}, content=body)
+
+@app.get("/plugin.js")
+async def plugin(request: Request):
+    """Отдаём модифицированный JS плагина с подменённым localhost"""
+    resp = await fetch(PLUGIN_URL)
+    js = resp.text
+
+    # Подменяем адрес сервера на наш прокси
+    hf_url = str(request.base_url).rstrip("/")
+    js = js.replace("https://rc.bwa.ad", hf_url)
+    js = js.replace("https://rc.bwa.ad/", hf_url + "/")
+
+    return PlainTextResponse(js, media_type="application/javascript")
+
+@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD"])
+async def proxy(path: str, request: Request):
+    """Проксируем всё остальное на rc.bwa.ad"""
+    url = f"{TARGET}/{path}"
+    if request.url.query:
+        url += f"?{request.url.query}"
+
+    headers = {k: v for k, v in request.headers.items() if k.lower() not in ("host", "content-length")}
+    headers["host"] = "rc.bwa.ad"
+
+    body = await request.body()
+    resp = await fetch(url, method=request.method, headers=headers, body=body)
+
+    excluded = {"transfer-encoding", "content-encoding"}
+    resp_headers = {k: v for k, v in resp.headers.items() if k.lower() not in excluded}
+
+    return Response(content=resp.content, status_code=resp.status_code, headers=resp_headers)