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Create Our First Docker Image And Container

What Is A Docker Image?

What Is A Docker Container?

Create Your First Docker Image And Container

1. Create a ubuntu virtual machine
2. Enable port 8080 on the virtual machine
3. Switch to the admin mode
4. Create a sample flask file
5. Create the other required files
6. Install the docker
7. Run commands to create the docker image and container
8. Output

Create A Ubuntu Virtual Machine

Enable Port 8080 On The Virtual Machine

Switch To The Admin Mode

sudo -i

Create A Sample Flask File

from flask import Flask
import os

app = Flask(__name__)
@app.route('/')

def hello():
    return('Hello from container..This is my first docker container\n')

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080, debug=True)

Create The Other Required Files

FROM python:3.7
COPY . /tmp
RUN pip install flask
EXPOSE 8080
CMD ["python", "/tmp/myapp.py"]

flask

Install The Docker

Run Commands To Create The Docker Image And Container

docker build -t myapp-21jan:1.0 .

docker run -d --name c1 -p 8080:8080 myapp-21jan:1.0

Output

<ip address of virtual machine>: <port number>