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Version Control System It is a repository which maintains the changes to a file(s) over time so that you can recall a specific version later. A repository can be thought as database changes. It contains all the edits and historical…

Docker Swarm – Backup and Restore Backup cd /var/lib/docker/ tar -zcvf swarm.tar.gz swarm/ docker node ls Delete the docker swarm folder rm -ifr swarm systemctl stop docker systemctl start docker docker node ls By this time you will not be…

Docker Swarm – Stacks  The Docker Stack functionality, is included with the Docker engine. You don’t need to install additional packages to use it Deploying docker stacks is part of the swarm mode. It supports the same kinds of compose files, but the handling happens in…

Docker Swarm Service Commands Find the help related the docker swarm service docker service –help docker service create –name webservice –replicas 3 -d nginx List the services docker service ls List the containers with their node name docker service ps…

Docker Swarm Service How services work Estimated reading time: 5 minutes To deploy an application image when Docker Engine is in swarm mode, you create a service. Frequently a service is the image for a microservice within the context of some…

Docker Swarm Visualizer

Docker Swarm Visualizer  Run Below command to run docker visualizer docker service create  –name=viz –publish=8080:8080/tcp  –constraint=node.role==manager –mount=type=bind,src= dockersamples/visualizer

Docker Swarm Setup 1. Create a 3 Nodes Cluster ( 1 for master node and other 2 are for worker nodes) 2. Name these as master, worker01, worker02 nodes 3. On master node run the command docker swarm init 4. Copy…

Docker Swarm A Docker Swarm is a group of either physical or virtual machines that are running the Docker application and that has been configured to join together in a cluster. … Docker swarm is a container orchestration tool, meaning that it allows the user to manage…

Docker File Docker file  Docker can build images automatically by reading the instructions from a Dockerfile. A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image. Using docker build users can create…