Predictive Hacks

How to Compose a Flask API with Docker

You can compose a Flask API as follows: The project structure will look like:

├── docker-compose.yaml
├── app
    ├── Dockerfile
    ├── requirements.txt

The docker-compose.yml will be:

version: '3' 
    build: app 
      - '5000:5000'

The Dockerfile will be:

FROM python:3.7-alpine 
COPY requirements.txt /app
RUN pip3 install -r requirements.txt 
COPY . /app 
ENTRYPOINT ["python3"] 
CMD [""]

The requirements.txt will be:


and the will be:

from flask import Flask
app = Flask(__name__)

def hello():
	return "Hello World!"

if __name__ == '__main__':'')

Of course the files above is just an example of a basic “Hello World!” Flask API

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