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Kubernetes vs boot2docker: What are the differences?
1. Installation and Setup: Kubernetes is a container orchestrator platform that requires a complex setup process involving multiple components like kubelet, kube-proxy, and etcd. In contrast, boot2docker is a lightweight Linux distribution designed specifically for running Docker containers with a simple installation process.
2. Resource Management: Kubernetes provides advanced resource management features like auto-scaling, monitoring, and load balancing for containers across a cluster. On the other hand, boot2docker primarily focuses on running Docker containers without the extensive resource management capabilities of Kubernetes.
3. Scalability: Kubernetes is built for scalability and can manage large clusters of containers efficiently, enabling horizontal scaling of applications. Boot2docker, while capable of running containers, is more suited for smaller-scale deployments due to its limited scalability features.
4. Ecosystem Integration: Kubernetes has a rich ecosystem of tools and plugins for monitoring, logging, networking, and storage integration, making it a comprehensive platform for container orchestration. In contrast, boot2docker has a more limited ecosystem and is mainly focused on providing a minimal environment for running Docker containers.
5. Community Support: Kubernetes has a large and active community of developers and users, contributing to its continuous improvement and development. Boot2docker, while supported by a community of users, may not have the same level of community support and resources available as Kubernetes.
6. Use Cases: Kubernetes is suitable for complex, large-scale containerized applications deployed in production environments that require high availability, scalability, and fault tolerance. On the other hand, boot2docker is more commonly used for local development environments, testing, and small-scale deployments where simplicity and ease of use are prioritized over advanced orchestration features.
In Summary, Kubernetes and boot2docker differ in installation complexity, resource management capabilities, scalability, ecosystem integration, community support, and use cases.
Our whole DevOps stack consists of the following tools:
- GitHub (incl. GitHub Pages/Markdown for Documentation, GettingStarted and HowTo's) for collaborative review and code management tool
- Respectively Git as revision control system
- SourceTree as Git GUI
- Visual Studio Code as IDE
- CircleCI for continuous integration (automatize development process)
- Prettier / TSLint / ESLint as code linter
- SonarQube as quality gate
- Docker as container management (incl. Docker Compose for multi-container application management)
- VirtualBox for operating system simulation tests
- Kubernetes as cluster management for docker containers
- Heroku for deploying in test environments
- nginx as web server (preferably used as facade server in production environment)
- SSLMate (using OpenSSL) for certificate management
- Amazon EC2 (incl. Amazon S3) for deploying in stage (production-like) and production environments
- PostgreSQL as preferred database system
- Redis as preferred in-memory database/store (great for caching)
The main reason we have chosen Kubernetes over Docker Swarm is related to the following artifacts:
- Key features: Easy and flexible installation, Clear dashboard, Great scaling operations, Monitoring is an integral part, Great load balancing concepts, Monitors the condition and ensures compensation in the event of failure.
- Applications: An application can be deployed using a combination of pods, deployments, and services (or micro-services).
- Functionality: Kubernetes as a complex installation and setup process, but it not as limited as Docker Swarm.
- Monitoring: It supports multiple versions of logging and monitoring when the services are deployed within the cluster (Elasticsearch/Kibana (ELK), Heapster/Grafana, Sysdig cloud integration).
- Scalability: All-in-one framework for distributed systems.
- Other Benefits: Kubernetes is backed by the Cloud Native Computing Foundation (CNCF), huge community among container orchestration tools, it is an open source and modular tool that works with any OS.
Pros of boot2docker
- Lightweight43
- Use docker when it's not natively possible35
- Use it for fast demo without big image11
- Easy to use3
- Containers3
Pros of Kubernetes
- Leading docker container management solution164
- Simple and powerful128
- Open source106
- Backed by google76
- The right abstractions58
- Scale services25
- Replication controller20
- Permission managment11
- Supports autoscaling9
- Cheap8
- Simple8
- Self-healing6
- No cloud platform lock-in5
- Promotes modern/good infrascture practice5
- Open, powerful, stable5
- Reliable5
- Scalable4
- Quick cloud setup4
- Cloud Agnostic3
- Captain of Container Ship3
- A self healing environment with rich metadata3
- Runs on azure3
- Backed by Red Hat3
- Custom and extensibility3
- Sfg2
- Gke2
- Everything of CaaS2
- Golang2
- Easy setup2
- Expandable2
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Cons of boot2docker
Cons of Kubernetes
- Steep learning curve16
- Poor workflow for development15
- Orchestrates only infrastructure8
- High resource requirements for on-prem clusters4
- Too heavy for simple systems2
- Additional vendor lock-in (Docker)1
- More moving parts to secure1
- Additional Technology Overhead1
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What is boot2docker?
What is Kubernetes?
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