Kubernetes Online Training Hyderabad

 The Role of Docker in DevOps

What is Docker?

Docker is a set of platform-as-a-service products that use OS-level virtualization to deliver software in packages called containers. The service has both free and premium tiers. The software that hosts the containers is called Docker Engine.

Docker Benefits Include:

• High ROI and cost savings
• Productivity and standardization
• Maintenance and compatibility
• Rapid deployment
• Faster configurations
• Seamless portability
• Continuous testing and deployment
• Isolation, segregation, and security

Docker vs. Virtual Machines

A virtual Machine is an application environment that imitates dedicated hardware by providing an emulation of the computer system. Docker and Vmboth have their set of benefits and uses, but when it comes to running applications in multiple environments, both can be utilized. So which one wins? Let's get into a quick Docker vs. VM comparison.

OS Support: VM requires a lot of memory when installed in an OS, whereas Docker containers occupy less space.

Performance: Running several VMs can affect the performance, whereas, Docker containers are stored in a single Docker engine; thus, they provide better performance.

Boot-up time: VMs have a longer booting time compared to Docker.
Efficiency: VMs have lower efficiency than Docker.

Scaling: VMs are difficult to scale up, whereas Docker is easy to scale up.

Space allocation: You cannot share data volumes with VMs, but you can share and reuse them among various Docker containers.

What is DevOps?

DevOps is the combination of cultural philosophies, practices, and tools that increases an organization’s ability to deliver applications and services at high velocity: evolving and improving products at a faster pace than organizations using traditional software development and infrastructure management processes.

DevOps benefits include:

Technical advantages:

• Fast and continuous software delivery
• Quicker resolution of problems
• Reduced management complexities

Business advantages:

• Fast feature delivery
• Enhanced collaboration and communication
• More time for creativity and innovation
• Stable operating environments

Cultural benefits:

• Happier, productive. and collaborative teams
• Improved employee engagement
• More growth opportunities

 

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