behold GLORIOUS emergence of QMAAS (quick math as a service)

Dockerfile

FROM ubuntu:bionic

RUN apt-get -y update \
    && apt-get install -y curl \
    && curl -sL https://deb.nodesource.com/setup_14.x | bash \
    && apt-get install -y nodejs

RUN npm install -g express-generator \
    && express isoddeven \
    && cd isoddeven/ \
    && npm install && npm install is-odd is-even express

RUN echo 'const express = require("express"); \n\
    const isOdd = require("is-odd"); \n\
    const isEven = require("is-even"); \n\
    const app = express() \n\
    app.get("/oddp/:num", (req, res) => { \n\
        res.send(isOdd(req.params.num)); \n\ 
    }) \n\
    app.get("/evenp/:num", (req, res) => { \n\
        res.send(isEven(req.params.num)); \n\ 
    }) \n\
    module.exports = app;' > /isoddeven/app.js

CMD cd /isoddeven && ./bin/www

example.sh

docker build -t isoddenev .
docker run -p 3000:3000 isoddenev:latest
curl http://127.0.0.1:3000/oddp/{-1, 0, 1,2,3,4,5,6,7,8,9}
curl http://127.0.0.1:3000/evenp/{-1, 0, 1,2,3,4,5,6,7,8,9}