Add application file

Dockerfile

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+FROM python:3.9
+
+WORKDIR /code
+
+COPY ./requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY . .
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def index():
+  return {"hello": "index"}

requirements.txt

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+annotated-types==0.6.0
+anyio==4.3.0
+click==8.1.7
+fastapi==0.110.1
+h11==0.14.0
+idna==3.7
+pydantic==2.7.0
+pydantic-core==2.18.1
+sniffio==1.3.1
+starlette==0.37.2
+typing-extensions==4.11.0
+uvicorn==0.29.0