Add application file

Dockerfile

@@ -14,4 +14,4 @@ ENV PYTHONUNBUFFERED=1 \
 # copy the source code
 COPY --chown=user . /app
 
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]

main.py

@@ -0,0 +1,7 @@
+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def greet_json():
+    return {"Hello": "World!"}