First working example.

Dockerfile

@@ -0,0 +1,20 @@
+# Use an official Python runtime as a parent image
+FROM python:3.11-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the requirements file to the working directory
+COPY requirements.txt .
+
+# Install the required dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the FastAPI app code to the container
+COPY . .
+
+# Expose the port on which the app will run
+EXPOSE 8000
+
+# Define the command to run the application using uvicorn
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

main.py

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

requirements.txt

@@ -0,0 +1,2 @@
+fastapi
+uvicorn[standard]