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Deployment

Deploy Options

To get a comprehensive deploy options with Assembly, please follow Deploying Options with Flask. Assembly is actually Flask, so everything on the link is valid for Assembly.

Below are some of the options you would be interested in.

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Environment Variable

Note: When deploying, make sure you set the right environment

export ASSEMBLY_APP=default
export ASSEMBLY_ENV=Development

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Gunicorn

Gunicorn ‘Green Unicorn’ is a WSGI HTTP Server for UNIX. It’s a pre-fork worker model ported from Ruby’s Unicorn project. It supports both eventlet and greenlet.

export ASSEMBLY_APP=default
export ASSEMBLY_ENV=Production
gunicorn -w 4 wsgi:app

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uWSGI

uWSGI is a fast application server written in C. It is very configurable which makes it more complicated to setup than gunicorn.

export ASSEMBLY_APP=default
export ASSEMBLY_ENV=Production
uwsgi --http 127.0.0.1:5000 --module wsgi:app

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Heroku

Set the environment variables for Heroku

heroku config:set ASSEMBLY_ENV=Production
heroku config:set ASSEMBLY_APP=default

Edit *PROCFILE*

web: gunicorn wsgi:app
release: asm gen:sync-models; asm setup 

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Boxie

Unlike Gunicorn and uWSGI, Boxie gives you something more like a PaaS (Platform as a Service) option. If you manage your own server, we recommend Boxie and you will love it :).

Boxie is a utility to install on a host machine, that allows you to deploy multiple sites or apps, run scripts and background workers on a single VPS, Digital Ocean or Linode instance.

Boxie follows a process similar to Heroku or Dokku where you push code to the host via Git, and Boxie will: - create an instance on the host machine - deploy the new code - create virtual environments for your application - get a free SSL from LetsEncrypt and assign it to your domain - execute scripts to be executed - put your application online - monitor the application - restart the application if it crashes

Learn more about Boxie

Boxie configuration is already shipped with Assembly, with boxie.yml.

boxie.yml is a manifest format for describing apps. It declares environment variables, scripts, and other information required to run an app on your server.

---
name: My Assembly App
description: my awesome app in Assembly
version: 1.0.0
apps:
  - name: yourdomain.com
    server_name: yourdomain.com
    runtime: python
    auto_restart: true
    env:
      ASSEMBLY_ENV: Production
      ASSEMBLY_APP: default
    scripts:
      release:
        - asm gen:sync-models
        - asm setup
    process:
      web: wsgi:app