Dockerfile and docker compose example to deploy Django application

README.md

Docker and Django on AWS (EC2)

curl -fsSL https://get.docker.com/ | bash

ou

sudo apt install docker.io

Instalar o Docker e docker compose no servidor Linux

https://www.digitalocean.com/community/tutorials/como-instalar-e-usar-o-docker-no-ubuntu-18-04-pt

Criar pastas

mkdir -p config/{app,nginx}
touch config/nginx/app.conf
touch Dockerfile
touch docker-compose.yml

Criando a imagem

docker build -t djdocker .

Subindo o docker-compose

sudo docker-compose up --build

Criar instância na EC2

Clonar o projeto dentro do servidor

Editar o .env

sudo vim .env

Instalar docker e docker-compose no servidor

https://www.digitalocean.com/community/tutorials/como-instalar-e-usar-o-docker-no-ubuntu-18-04-pt

Rodar este comando novamente

sudo docker-compose up --build

Editar security group na EC2

HTTP | TCP | 80 | 0.0.0.0/0, ::/0

Build final

sudo docker-compose up --build -d

Executando um comando dentro do docker

sudo docker ps
sudo docker exec -it CONTAINER_NAME bash

docker-compose.yml

# https://docs.docker.com/compose/django/

version: '3.7'

services:
  # containers
  app:
    image: djdocker
    # build:
    #   context: .
    #   dockerfile: Dockerfile
    hostname: app
    expose:
      - "8000"
    command: gunicorn --reload myproject.wsgi:application -b 0.0.0.0:8000

  nginx:
    image: nginx
    hostname: nginx
    ports:
      - "80:8000"
    volumes:
      - ./myproject/config/nginx:/etc/nginx/conf.d
    depends_on:
      - app

Dockerfile

# Creating image based on official Python3 image
FROM python:3.7-slim

# Sets dumping log messages directly to stream instead of buffering
ENV PYTHONUNBUFFERED 1

WORKDIR app/
ADD . .

# Install all Python dependencies
RUN pip install -r requirements.txt

# Open port 8000
EXPOSE 8000

RUN rm -rf .venv && mkdir static
RUN python manage.py collectstatic --noinput
RUN python manage.py migrate
CMD gunicorn --reload myproject.wsgi:application -b 0.0.0.0:8000