Python-Docker-K8s

Containerization & Orchestration: Containerized Python Flask application using Docker, published to DockerHub and deployed it on Kubernetes cluster using manifest files.
Version Control: Implemented version control and facilitated collaboration by uploading project code to GitHub.

Step-by-step commands followed during the implementation:

-- Docker --

Containerize the python application:

1. Build docker image:

	docker build -t python-app .

2. Run container:

	docker run -d -p 5000:5000 my-python-app

3. Show images:

	docker images

4. Show containers (including stopped):

	docker ps -a

DockerHub

Upload the built image to docker Hub:

1. First login to docker hub:

	docker login -u rajeev3012

2. Tag the image with your docker hub username:

	docker tag my-python-app rajeev3012/python-app

3. Push

	docker push rajeev3012/python-app

Cleanup:

1. Stop running container:

	docker stop <container>

2. Remove container:

	docker rm <container>

3. Remove image:

	docker rmi <image>

-- Kubernetes --

1. Deploy resources:

	kubectl apply -f deployment.yaml
	kubectl apply -f service.yaml

2. Show deployed resources:

	kubectl get all
	kubectl get pods

3. Access the app:

	minikube service python-app-service

4. Delete

	kubectl delete all --all
	kubectl delete pods -l app=python-app    (-l: label containing "python-app")
	kubectl delete pod python-app-123 --grace-period=0 --force    (force delete)

-- GitHub --

1. Initialize git:

	git init

2. Create and checkout to main branch (by default it may be master):

	git checkout -b main

3. Check files:

	git status

4. Add to staging area:

	git add .

5. Add commit with message:

	git commit -am "initial commit"

6. Add GitHub remote repo:

	git remote add origin https://github.com/rajeev3012/python-docker-k8s.git

7. Fetch and merge latest change to local first:

	git pull origin main --rebase

8. Finally push changes to remote repo:

	git push -u origin main

Name		Name	Last commit message	Last commit date
app		app
k8s		k8s
.gitignore		.gitignore
README.md		README.md

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Python-Docker-K8s

Step-by-step commands followed during the implementation:

-- Docker --

Containerize the python application:

1. Build docker image:

2. Run container:

3. Show images:

4. Show containers (including stopped):

DockerHub

Upload the built image to docker Hub:

1. First login to docker hub:

2. Tag the image with your docker hub username:

3. Push

Cleanup:

1. Stop running container:

2. Remove container:

3. Remove image:

-- Kubernetes --

1. Deploy resources:

2. Show deployed resources:

3. Access the app:

4. Delete

-- GitHub --

1. Initialize git:

2. Create and checkout to main branch (by default it may be master):

3. Check files:

4. Add to staging area:

5. Add commit with message:

6. Add GitHub remote repo:

7. Fetch and merge latest change to local first:

8. Finally push changes to remote repo:

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Python-Docker-K8s

Step-by-step commands followed during the implementation:

-- Docker --

Containerize the python application:

1. Build docker image:

2. Run container:

3. Show images:

4. Show containers (including stopped):

DockerHub

Upload the built image to docker Hub:

1. First login to docker hub:

2. Tag the image with your docker hub username:

3. Push

Cleanup:

1. Stop running container:

2. Remove container:

3. Remove image:

-- Kubernetes --

1. Deploy resources:

2. Show deployed resources:

3. Access the app:

4. Delete

-- GitHub --

1. Initialize git:

2. Create and checkout to main branch (by default it may be master):

3. Check files:

4. Add to staging area:

5. Add commit with message:

6. Add GitHub remote repo:

7. Fetch and merge latest change to local first:

8. Finally push changes to remote repo:

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