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Create Dockerfile
touch Dockerfile
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Build dockerfile
docker build [name] [path] docker build sample . or build using dockerhub_id docker build --tag [dockerhubid]/[name]:version [path]
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List all the running docker container
docker ps
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List all the running docker container ID
docker ps -aq
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List all the images
docker images ls
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List all the containers
docker container ls
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Run docker container in a detached mode
docker run [image]:[version]
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Run docker container in a detached mode
docker run -d [image]:version/tag docker run -d ngnix:latest
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Running docker container in a detached mode with exposing port
docker run -d -p host_port:contianer_port [image]:version/tag docker run -d -p 8080:80 ngnix:latest
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Stopping running docker container
docker stop [container_id]
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Running docker container in a detached mode with exposing multiple ports
docker run -d -p host_port:contianer_port -p host_port:contianer_port [image]:version/tag docker run -d -p 8080:80 -p 3000:80 ngnix:latest
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Removing docker container
docker rm [container_id]
Note : docker rm will not remove running container, To stop running instance try with flag -f(force),
docker rm -f [container_id] docker rm -f $(docker ps -aq) Second command will remove all the existing docker container by filtering container_ids
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Creating a docker container with custom name
docker run --name custom_name -d host_port:contianer_port [image]:version/tag docker run --name website -d 8080:80 ngnix:latest
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Displaying results with formatted style(docker-ps-vertical)
export FORMAT="ID\t{{.ID}}\nNAME\t{{.Names}}\nIMAGE\t{{.Image}}\nPORTS\t{{.Ports}}\nCOMMAND\t{{.Command}}\nCREATED\t{{.CreatedAt}}\nSTATUS\t{{.Status}}\n" docker ps --format = $FORMAT
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Pushing our custom html file directly to nginx server
docker run --name custom_containername -v Source_html_path:Destination_HTML_path:mode -p host_port:contianer_port [image]:version/tag docker run --name website -v $(pwd):/usr/share/nginx/html:ro -p 8080:80 ngnix:latest mode = ro ro - only read
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Executing in a interaction mode in bash
docker exec -it container-name bash docker exec -it website bash
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Exitting from bash interaction mode
exit
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Creating a new container from the mounted volume
docker run --name container_name --voulme-from container_name -d -p host_port:contianer_port [image]:version/tag
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Login in to external docker container
docker login servername
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Inspecting container id
docker inspect container_id
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Logging container_id
docker logs container_id
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creating dockerfile
touch Dockerfile
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Building custom docker image
docker build --tag website:latest
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Pulling docker image of node-alpine
docker pull node:alpine
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Setting up the tag for our cusotm build image from present to future tag, which overwrite container name
docker tag [tag_name_present]:version [tag_name_future]:version
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Removing one or more images of docker
docker rmi [option] image:tag
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Removing docker volumes(try if there is a less space in working env)
docker system prune --all --force --volumes
To run kubernates, we need minikube and kubectl
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Running minikube
minikube start hypervisor --hypervisor minikube start docker --docker
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Getting all nodes
kubectl get nodes
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Getting all pds
kubectl get pod
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Getting all serivices
kubectl get services
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Getting all deployments
kubectl get deployments
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Creating component(a deployment(abstraction ober pods) of pod)
kubectl create -f file.(yaml) (or) kubectl apply -f file.(yaml)
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Getting log of pod
kubectl logs podname
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Describing pods
kubectl describe pod pod_name
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Executing interactive pod with bash
kubectl exec -it pod_name -- bin/bash
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Deleting config file
kubectl delete -f filename
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Get all pods
kubectl get all
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Get pod with IP
kubectl get pod -o wide