init

Dockerfile

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+# Step 1: Use an official Python runtime as the base image
+FROM python:3.9-slim
+
+# Step 2: Set the working directory inside the container
+WORKDIR /app
+
+# Step 3: Copy the current directory contents into the container
+COPY . /app
+
+# Step 4: Install the dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Step 5: Expose port 8000 to communicate with the outside world
+EXPOSE 8000
+
+# Step 6: Define the command to run the FastAPI app
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

app.py

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+from fastapi import FastAPI
+from pydantic import BaseModel
+
+app = FastAPI()
+
+@app.get("/")
+async def home():
+    return {"data": "Hello World"}
+
+@app.get("/items/")
+def get_items():
+    return {"items": ["apple", "banana", "cherry"]}
+
+
+class Item(BaseModel):
+    name: str
+    price: float
+
+@app.post("/items/")
+def create_item(item: Item):
+    return {"message": "Item created successfully", "item": item}
+
+
+@app.put("/items/{item_id}")
+def update_item(item_id: int, item: Item):
+    return {"item_id": item_id, "updated_item": item}
+
+
+@app.delete("/items/{item_id}")
+def delete_item(item_id: int):
+    return {"message": f"Item with ID {item_id} deleted successfully"}
+

app_2.py

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+from pydantic import BaseModel
+from fastapi import FastAPI
+
+fastapi = FastAPI()
+
+class Item(BaseModel):
+    name: str
+    price: float
+
+@fastapi.get("/{name}")
+async def get_name(name: str):
+    return { "name": name }
+
+@fastapi.get("/")
+async def get_data(name: str, age: int = 0, height: int = 10):
+    return { "name": name, "age": age, "height": height }
+
+
+@fastapi.post("/items")
+async def create_item (item: Item):
+    return {"item": item}

main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+def read_root():
+    return {"message": "Hello, Docker!"}

requirements.txt

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+fastapi
+uvicorn