feat: create hello world endpoint

Dockerfile

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+FROM python:3.11
+
+WORKDIR /app
+
+COPY ./app/requirements.txt /app/requirements.txt
+
+RUN pip install --no-cache-dir -r /app/requirements.txt
+
+COPY ./app/. .
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]
+

app/main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def app_hello_world():
+    return {"success": True, "message": "Hello World!"}

app/requirements.txt

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+fastapi
+uvicorn