dokku

simple web app

$ dokku create:apps my-web-app

Procfile

web: python3 -m server

ssl

$ dokku plugins:install https://github.com/dokku/dokku-letsencrypt.git
$ dokku config:set --no-restart my-web-app DOKKU_LETSENCRYPT_EMAIL=[e-mail]
$ dokku letsencrypt my-web-app

deploy from local machine

$ git remote add dokku [e-mail]:my-web-app
$ git push dokku master

backing services

install the plugin

$ dokku plugin:install https://github.com/dokku/dokku-mongo.git

create service

$ dokku mongo:create mongodb

linking service

$ dokku mongo:link mongodb my-web-app

multiple buildpacks

# .buildpacks
https://github.com/heroku/heroku-buildpack-nodejs.git#v123
https://github.com/heroku/heroku-buildpack-python.git#v134

# Procfile
web: npm start
cron: python3 -m cronjob

subdirectory

# root package.json
{
    "name": "root",
    "version": "0.0.1",
    "scripts": {
        "postinstall": "npm install --prefix server"
    }
}

# Procfile
web: npm start --perfix server

run cron tasks

$ dokku ps:scale my-web-app cron=1
$ dokku enter my-web-app cron <COMMAND> # $ dokku enter my-web-app cron python3 -m cronjob