Python Docker Compose.yml

docker-compose.yml

version: '3'

services:
  web:
    image: python:3.5
    command:
      - /bin/sh
      - -c
      - |
          echo "Instalando postgresql"
          export PGDATA=/opt/postgresql/data
          wget https://gist.githubusercontent.com/nenodias/28ac55b9ad3fda43a9de63a9efb82d18/raw/c4c75e8b89d2a20b02e56a54d3446a69a2c00e29/postgres_install.py
          chmod -Rf 777 /opt
          useradd postgres
          su -c "python postgres_install.py" -s /bin/sh postgres
          echo "Concluído"
          cd ${working_dir}
          git clone https://github.com/nenodias/millenium.git project
          cd project
          git checkout deploy
          git pull origin deploy
          /usr/local/bin/pip install -r requirements.txt
          echo "App starting"
          /usr/local/bin/gunicorn wsgi:application --bind=0.0.0.0:8000
    environment:
        DATABASE_URL: postgresql://[email protected]:5432/millenium
    volumes:
      - ./postgres-data:/opt/postgresql/data
      - ${PWD}/project:/home/docker/
    working_dir: /home/docker/
    ports:
      - "8000:8000"

postgres_install.py

"""PGInstaller."""
import time
import threading
import os
import sys
import subprocess

PG_FILE = "postgresql-9.6.4-1-linux-x64-binaries.tar.gz"
# PG_URL = "https://get.enterprisedb.com/\
PG_URL = "http://192.168.0.38:8888/\
postgresql/"+PG_FILE

PG_ROOT = '/opt/postgresql'
PG_DATA_ROOT = PG_ROOT + '/data'
PG_DIR = '/opt/pgsql'
PG_EXEC = PG_DIR + '/bin'

os.chdir('/opt')
# instalando
pgsql_valid = os.path.isdir(PG_DIR) and os.path.exists(PG_DIR)
if not pgsql_valid:
    subprocess.call("wget "+PG_URL, shell=True)
    subprocess.call('tar -zxvf '+PG_FILE, shell=True)
    subprocess.call('rm -r '+PG_FILE, shell=True)

valid = os.path.isdir(PG_ROOT) and os.path.exists(PG_DATA_ROOT)

up = False


def iniciar_postgres():
    """Method up postgres."""
    global up
    try:
        inicio = PG_EXEC+'/postgres'
        chamada = inicio, ' -D ', PG_DATA_ROOT
        chamada = "{0}".format(chamada)
        p = subprocess.Popen(
            ['su', '-c', chamada, '/bin/sh', 'postgres'],
            stdin=subprocess.PIPE,
            shell=False
        )
        time.sleep(1)
        up = True
        p.communicate(input=b'\n')
    except Exception as ex:
        print(ex)


t1 = threading.Thread(target=iniciar_postgres, name='t_postgres')

if not valid:
    os.mkdir(PG_ROOT)
    os.mkdir(PG_DATA_ROOT)
    subprocess.call(PG_EXEC+'/initdb ' + PG_DATA_ROOT, shell=True)
    time.sleep(2)
    t1.start()
    while not up:
        pass
    subprocess.call(PG_EXEC+'/createuser postgres', shell=True)
    subprocess.call(PG_EXEC+'/createdb millenium', shell=True)
    sys.exit(1)
else:
    t1.start()
    sys.exit(1)