# Docker vs ZooKeeper Comparison
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## AI Generated Summary
- **G2 reviewers report** that Docker excels in providing a seamless experience for packaging applications with all their dependencies. Users appreciate how it ensures consistency across development, testing, and production environments, which significantly speeds up development workflows.
- **Users say** that Docker's ease of setup is a standout feature, with many highlighting its intuitive onboarding process. This allows teams to quickly implement Docker and start benefiting from its capabilities without extensive configuration challenges.
- **Reviewers mention** that while ZooKeeper is effective for coordinating distributed systems, it faces challenges in user experience compared to Docker. Users have noted that Docker's ability to closely mirror production environments during development helps reduce unexpected issues during deployment.
- **According to verified reviews** , Docker's strong community support and extensive ecosystem of official images on Docker Hub are significant advantages. This resource availability allows users to save time and effort in setting up their applications, a feature that ZooKeeper does not match.
- **G2 reviewers highlight** that while ZooKeeper is praised for its reliable coordination and speed, it has fewer recent reviews, indicating a potential decline in user engagement or satisfaction. In contrast, Docker's recent activity and positive feedback suggest a vibrant and active user base.
- **Users report** that Docker's overall quality and satisfaction metrics are notably higher than those of ZooKeeper. With a G2 Score reflecting strong user satisfaction, Docker is seen as a more favorable option for teams looking for a robust service discovery solution.



| | Docker | ZooKeeper | 
|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.3 out of 5 | 
| **Total Reviews** | 296 | 99 | 
| **Largest Market Segment** | Small-Business (40.4% of reviews) | Enterprise (42.5% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 


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## Ratings Comparison
| Rating | Docker | ZooKeeper | 
|---|---|---|
  | **Meets Requirements** | 9.2 (235 reviews) | 8.9 (68 reviews) | 
  | **Ease of Use** | 8.8 (240 reviews) | 8.2 (69 reviews) | 
  | **Ease of Setup** | 8.8 (107 reviews) | 8.3 (25 reviews) | 
  | **Ease of Admin** | 9.0 (54 reviews) | 8.3 (24 reviews) | 
  | **Quality of Support** | 8.4 (192 reviews) | 8.5 (55 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.2 (45 reviews) | 8.6 (19 reviews) | 
  | **Product Direction (% positive)** | 9.5 (216 reviews) | 7.2 (67 reviews) | 

---
## Pricing

### Docker

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### ZooKeeper

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Container Engine

| Product | Score | Reviews |
|---|---|---|
| **Docker** | 8.8/10 | 140 |
| **ZooKeeper** | N/A | N/A |

#### Application Support

| Feature | Docker | ZooKeeper | 
|---|---|---|
| **Deployment** | 9.4 (136 reviews) | Not enough data | 
| **Interface support** | 8.7 (112 reviews) | Not enough data | 
| **Processor support** | 8.7 (106 reviews) | Not enough data | 
| **Application Support** | 9.1 (114 reviews) | Not enough data | 

#### System Capability

| Feature | Docker | ZooKeeper | 
|---|---|---|
| **Self Healing High Availability** | 8.3 (105 reviews) | Not enough data | 
| **Orchestration** | 8.7 (108 reviews) | Not enough data | 
| **Scalability** | 9.0 (114 reviews) | Not enough data | 

#### Security

| Feature | Docker | ZooKeeper | 
|---|---|---|
| **Automatic Security Updates** | 8.7 (104 reviews) | Not enough data | 
| **Security updates** | 8.7 (108 reviews) | Not enough data | 

---
## Categories
**Shared Categories (1):** [Service Discovery Software](https://www.g2.com/categories/service-discovery)

**Unique to Docker (2):** [Container Registry Software](https://www.g2.com/categories/container-registry), [Container Engine Software](https://www.g2.com/categories/container-engine)



---
## Reviewer Demographics

### By Company Size

| Segment | Docker | ZooKeeper | 
|---|---|---|
| **Small-Business** | 40.4% | 24.1% | 
| **Mid-Market** | 31.4% | 33.3% | 
| **Enterprise** | 28.2% | 42.5% | 

### By Industry

#### Docker

- **Information Technology and Services:** 32.5%
- **Computer Software:** 31.4%
- **Financial Services:** 2.9%
- **Telecommunications:** 2.9%
- **Internet:** 2.2%
- **Education Management:** 1.8%
- **Computer & Network Security:** 1.8%
- **Higher Education:** 1.8%
- **Banking:** 1.8%
- **Health, Wellness and Fitness:** 1.4%
- **Other:** 19.5%

#### ZooKeeper

- **Computer Software:** 32.2%
- **Information Technology and Services:** 13.8%
- **Telecommunications:** 8.0%
- **Retail:** 5.7%
- **Higher Education:** 4.6%
- **Banking:** 3.4%
- **Computer & Network Security:** 3.4%
- **Financial Services:** 3.4%
- **Leisure, Travel & Tourism:** 3.4%
- **Computer Networking:** 2.3%
- **Other:** 19.5%

---
## Alternatives

### Alternatives to Docker

- [Amazon Elastic Container Registry (ECR)](https://www.g2.com/products/amazon-elastic-container-registry-ecr/reviews) — 4.3/5 stars (117 reviews)
- [Red Hat Quay](https://www.g2.com/products/red-hat-quay/reviews) — 4.5/5 stars (51 reviews)
- [Azure Container Registry](https://www.g2.com/products/azure-container-registry/reviews) — 4.4/5 stars (36 reviews)
- [Sonatype Nexus Repository](https://www.g2.com/products/sonatype-nexus-repository/reviews) — 4.5/5 stars (23 reviews)
- [Google Container Registry](https://www.g2.com/products/google-container-registry/reviews) — 4.3/5 stars (16 reviews)
- [Sandboxie](https://www.g2.com/products/sandboxie/reviews) — 4.6/5 stars (14 reviews)
- [Harbor](https://www.g2.com/products/harbor/reviews) — 4.6/5 stars (14 reviews)
- [Red Hat Enterprise Linux](https://www.g2.com/products/red-hat-enterprise-linux/reviews) — 4.6/5 stars (974 reviews)
- [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2381 reviews)
- [Google Kubernetes Engine (GKE)](https://www.g2.com/products/google-kubernetes-engine-gke/reviews) — 4.5/5 stars (259 reviews)

### Alternatives to ZooKeeper

- [HashiCorp Consul](https://www.g2.com/products/hashicorp-consul/reviews) — 4.3/5 stars (23 reviews)
- [Eureka](https://www.g2.com/products/netflix-eureka/reviews) — 4.1/5 stars (14 reviews)
- [Google Kubernetes Engine (GKE)](https://www.g2.com/products/google-kubernetes-engine-gke/reviews) — 4.5/5 stars (259 reviews)
- [Traefik](https://www.g2.com/products/traefik/reviews) — 4.6/5 stars (35 reviews)
- [GRPC](https://www.g2.com/products/grpc/reviews) — 4.3/5 stars (23 reviews)
- [AWS Cloud Map](https://www.g2.com/products/aws-cloud-map/reviews) — 4.4/5 stars (56 reviews)
- [Hysterix](https://www.g2.com/products/hysterix/reviews) — 3.4/5 stars (15 reviews)
- [SkyDNS](https://www.g2.com/products/skydns/reviews) — 4.0/5 stars (15 reviews)
- [CoreDNS](https://www.g2.com/products/coredns/reviews) — 4.5/5 stars (2 reviews)
- [runc](https://www.g2.com/products/runc/reviews) — 4.2/5 stars (11 reviews)

---
## Top Discussions

### Docker

- Title: [How do I run an image from Docker hub?](https://www.g2.com/discussions/docker-how-do-i-run-an-image-from-docker-hub) — 2 comments
  > **Top comment:** "docker run -it <imaagename>
"
- Title: [Are Docker hub images safe?](https://www.g2.com/discussions/docker-are-docker-hub-images-safe) — 2 comments
  > **Top comment:** "yes they are 100% safe"
- Title: [How do I run an image from Docker hub?](https://www.g2.com/discussions/how-do-i-run-an-image-from-docker-hub) — 1 comment
  > **Top comment:** "Install Docker: Ensure Docker is installed on your machine.

Search for the Image: Visit Docker Hub and find the desired image.

Pull the Image: Use the..."
- Title: [Are Docker hub images safe?](https://www.g2.com/discussions/are-docker-hub-images-safe) — 1 comment
  > **Top comment:** "No, you need to run static code analysis on any containers before you consider putting them into production. Even a "safe" image today may become unsafe..."
- Title: [What is Docker hub repository?](https://www.g2.com/discussions/docker-what-is-docker-hub-repository) — 1 comment
  > **Top comment:** "Docker Hub repositories allow you share container images with your team, customers, or the Docker community at large. Docker images are pushed to Docker Hub..."

### ZooKeeper

- Title: [Does Kafka still need ZooKeeper?](https://www.g2.com/discussions/does-kafka-still-need-zookeeper) — 1 comment
  > **Top comment:** "Zookeeper is required for running Kafka for the current version (3.2.3) and previous versions. However, Kafka is planning to work independently of Zookeeper..."
- Title: [Can zookeeper be used as database.](https://www.g2.com/discussions/25552-can-zookeeper-be-used-as-database) — 1 comment, 1 upvote
  > **Top comment:** "Zookeeper is a unit where the information regarding configuration, naming and group services are stored. It is a centralized unit and using these..."

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**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/docker-inc-docker-vs-zookeeper)