kubernetes tutorial | Dockerfile | Create a docker image using Dockerfile | DEMO
Certified Kubernetes Administrator
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kubernetes tutorial | Dockerfile | Create a docker image using Dockerfile | DEMO
Description:
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In this video, you are going to learn the basics of Dockerfile & how to Create a container Image using Dockerfile.
1. How to create our own Images ?
2. What is Dockerfile ?
3. Approach to create an image using Dockerfile
4. Images Layers
5. Docker File Instructions
6. DEMO: Create a docker Image using Dockerfile
For suggestions/feedback/doubts contact
email: [email protected]
Happy Learning !!!
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USEFUL LINKS:
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Docker Documentation:
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https://docs.docker.com/
Dockerfile Reference:
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https://docs.docker.com/engine/refere...
Dockerfile best practices:
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https://docs.docker.com/develop/devel...
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#cka #kubernetes #k8s #containers #docker
DEMO Steps:
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Step 1: Connect to Docker Host & Check docker is started
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$ service docker status
Step 2: Create & Review the Dockerfile
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$ vi Dockerfile
Dockerfile to build the VSPARKZ webserver
FROM ubuntu:latest
RUN apt-get update -y
RUN DEBIAN_FRONTEND=noninteractive apt-get install apache2 -y
COPY index.html /var/www/html/index.html
EXPOSE 80
ENTRYPOINT ["apachectl", "-D", "FOREGROUND"]
Step 3: Build the image using Dockerfile
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$ docker build -t vsparkz/webserver:latest .
Step 4: Push the new image to docker hub
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$ docker login
$ docker push vsparkz/webserver:latest
Step 5: Clean the local registry & the other traces
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$ docker rmi ubuntu:latest
$ docker rmi vsparkz/webserver:latest
Step 6: Test the New Image
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$ docker run -d -p 8080:80 --name happy vsparkz/webserver:latest
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