1.curl -L "https://github.com/docker/compose/releases/download/1.24.0/docker-compose-(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
docker-compose --version
2.mkdir composeapp
touch Dockerfile touch app.py touch requirements.txt touch docker-compose.yml docker pull python
vi app.py
from flask import Flask
from redis import Redis
import os
app=Flask(__name__)
redis=Redis(host="redis",port=6379)
@app.route('/')
def hello():
redis.incr('hits')
return 'Hello Docker Book reader!I have been seen {0} times'.format(redis.get('hits'))
if __name__=="__main__" :
app.run(host="0.0.0.0",debug=True)
vi Dockerfile
FROM python:latest
ADD . /composeapp
WORKDIR /composeapp
RUN pip install -r requirements.txt
vi requirements.txt
flask
redis
vi docker-compose.yml
version: '2'
services:
web:
build: .
command: python app.py
ports:
- "5000:5000"
volumes:
- .:/code
depends_on:
- redis
redis:
image: redis
docker-compose up
