Dockerizing Flask Application Using Docker on Ubuntu 20.04

 in This Tutorial you will learn " How To Dockerizing Flask Application Using Docker on Ubuntu 20.04"
Flask is a popular Python web framework.
Docker is a software platform that allows you to build, test, and deploy applications quickly.
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Server - Os:  Ubuntu 20.04.3 LTS 64Bit        | IP -192.168.1.80            |Hostname -  ubuntu.example.com
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lsb_release -d ; hostname -I ; hostname ; docker-compose --version ; docker --version

mkdir -p /var/www/flask ; cd /var/www/flask ; mkdir -p app/static ; mkdir -p app/templates
nano app/__init__.py
from flask import Flask
app = Flask(__name__)
from app import views

nano app/views.py
from app import app
@app.route('/')
def home():
   return "Dockerizing Flask Application Using Docker!"

nano uwsgi.ini
[uwsgi]
module = main
callable = app
master = true

nano main.py
from app import app

nano requirements.txt
Flask==1.1.2

cd /var/www/flask ; nano Dockerfile
FROM tiangolo/uwsgi-nginx-flask:python3.6-alpine3.7
RUN apk --update add bash nano
ENV STATIC_URL /static
ENV STATIC_PATH /var/www/app/static
COPY ./requirements.txt /var/www/requirements.txt
RUN pip install -r /var/www/requirements.txt

nano start.sh
#!/bin/bash
app="docker.test"
docker build -t ${app} .
docker run -d -p 56733:80 \
  --name=${app} \
  -v $PWD:/app ${app}

bash start.sh
docker ps ; netstat -tlpn
127.0.0.1:56733
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