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Dockerfile.txt

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+FROM python:3.13
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y \
+    poppler-utils \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 7860
+
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+from fastapi import FastAPI, UploadFile, File
+from fastapi.responses import Response, JSONResponse
+from pdf2image import convert_from_bytes
+import io
+
+app = FastAPI()
+
+
+@app.get("/")
+def root():
+    return {"status": "running"}
+
+
+@app.post("/pdf-to-image")
+async def pdf_to_image(file: UploadFile = File(...)):
+    try:
+        pdf_bytes = await file.read()
+
+        pages = convert_from_bytes(pdf_bytes)
+
+        if not pages:
+            return JSONResponse(
+                {"error": "No pages found"},
+                status_code=400
+            )
+
+        buffer = io.BytesIO()
+        pages[0].save(buffer, format="JPEG")
+
+        return Response(
+            content=buffer.getvalue(),
+            media_type="image/jpeg"
+        )
+
+    except Exception as e:
+        return JSONResponse(
+            {"error": str(e)},
+            status_code=500
+        )

requirements.txt

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+fastapi
+uvicorn
+pdf2image
+pillow
+python-multipart