Install Docker
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
$ sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
$ sudo apt-get update
$ apt-cache policy docker-ce
$ sudo apt-get install -y docker-ce
$ sudo systemctl status docker
Install Docker compose
sudo curl -L https://github.com/docker/compose/releases/download/1.20.1/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose
Set the permissions
sudo chmod +x /usr/local/bin/docker-compose
Verify that the installation was successful by checking the version
docker-compose --version
Install Flask
sudo pip install Flask
Write the following lines in app.py
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return 'Flask Dockerized'
if __name__ == '__main__':
app.run(debug = True, host = '0.0.0.0')Write the following lines in requirements.txt
Flask==0.10.1
Write the following lines in Dockerfile
Note: There is no extension in this file.
FROM ubuntu:latest
MAINTAINER Your Name "yourmail@gmail.com"
RUN apt-get update -y
RUN apt-get install -y python-pip python-dev build-essential
COPY . /app
WORKDIR /app
RUN pip install -r requirements.txt
ENTRYPOINT ["python"]
CMD ["app.py"]
Write the following lines in docker-compose.yml
web:
build: ./web
ports:
- "5000:5000"
volumes:
- .:/code
Note: Make sure you are in the home directory of this repository when executing the following commands
$ docker-compose up