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Dockerfile

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+# Use the official Python image from the Docker Hub
+FROM python:3.9
+
+# Create a user and set the working directory
+RUN useradd -m -u 1000 user
+WORKDIR /app
+
+# Copy the requirements file and install dependencies
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Copy the application code
+COPY --chown=user . /app
+
+# Set the entry point to run the FastAPI server
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+from fastapi import FastAPI, Request
+from fastapi.responses import Response
+import requests
+
+app = FastAPI()
+
+@app.get("/")
+async function handleRequest(request: Request):
+    target_url = request.query_params.get('url')
+    if not target_url:
+        return Response(content="Missing 'url' query parameter", status_code=400)
+
+    try:
+        resp = requests.get(target_url, headers={'User-Agent': 'Mozilla/5.0'})
+        excluded_headers = ['content-encoding', 'content-length', 'transfer-encoding', 'connection']
+        headers = {k: v for k, v in resp.headers.items() if k.lower() not in excluded_headers}
+
+        content_type = resp.headers.get('content-type')
+        if content_type and 'text/html' in content_type:
+            text = resp.text
+            text = text.replace('href="/', f'href="?url={target_url}/')
+            text = text.replace('src="/', f'src="?url={target_url}/')
+            return Response(content=text, headers=headers, status_code=resp.status_code)
+        
+        return Response(content=resp.content, headers=headers, status_code=resp.status_code)
+    except Exception as e:
+        return Response(content=f"Error fetching {target_url}: {str(e)}", status_code=500)

requirements.txt

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+fastapi
+uvicorn
+requests