IBM Cloud Functions: How to run a Docker function?

Question

FROM python:3.7
COPY ./src /data/python
WORKDIR /data/python
RUN pip install --no-cache-dir flask
EXPOSE 8080
CMD ["python", "main.py"]

• main.py

import os
from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return {'body': os.environ.items()}


def run():
    app.run(host='0.0.0.0', port=8080)


if __name__ == '__main__':
    run()

click invoke result

[
  "2021-01-29T09:53:30.727847Z    stdout: * Serving Flask app "main" (lazy loading)",
  "2021-01-29T09:53:30.727905Z    stdout: * Environment: production",
  "2021-01-29T09:53:30.727913Z    stdout: WARNING: This is a development server. Do not use it in a production deployment.",
  "2021-01-29T09:53:30.727918Z    stdout: Use a production WSGI server instead.",
  "2021-01-29T09:53:30.727923Z    stdout: * Debug mode: off",
  "2021-01-29T09:53:30.731130Z    stderr: * Running on http://0.0.0.0:8080/ (Press CTRL+C to quit)",
  "2021-01-29T09:53:30.747035Z    stderr: 172.30.139.167 - - [29/Jan/2021 09:53:30] "u001b[33mPOST /init HTTP/1.1u001b[0m" 404 -",
  "2021-01-29T09:53:30.748Z       stderr: The action did not initialize or run as expected. Log data might be missing."
]

I've added the Docker container to IBM Cloud Functions

What would be the best way to approach this?

question from:https://stackoverflow.com/questions/65952262/ibm-cloud-functions-how-to-run-a-docker-function

Answer 1

Docker images which are uploaded to IBM Cloud Functions must implement certain REST interfaces. The easiest way to achieve this is to base your container on the openwhisk/dockerskeletonimage.

Please see How to run a docker image in IBM Cloud functions? and https://github.com/iainhouston/dockerPython for more details