Use slim Python image
Set working directory
Install dependencies
Copy the app code
Expose Flask default port (if running locally or behind K8s ingress)
Run the app

Use slim Python image

FROM python:3.9-slim

Set working directory

WORKDIR /app

Install dependencies

RUN pip install —no-cache-dir flask python-json-logger

Copy the app code

COPY app.py .

Expose Flask default port (if running locally or behind K8s ingress)

EXPOSE 8080

Run the app

CMD [“python”, “app.py”]

Dockerimage App.py