Bazel vs Kubernetes: What are the differences?
Bazel: Correct, reproducible, fast builds for everyone. Bazel is a build tool that builds code quickly and reliably. It is used to build the majority of Google's software, and thus it has been designed to handle build problems present in Google's development environment; Kubernetes: Manage a cluster of Linux containers as a single system to accelerate Dev and simplify Ops. Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
Bazel belongs to "Java Build Tools" category of the tech stack, while Kubernetes can be primarily classified under "Container Tools".
Some of the features offered by Bazel are:
- Multi-language support: Bazel supports Java, Objective-C and C++ out of the box, and can be extended to support arbitrary programming languages.
- High-level build language: Projects are described in the BUILD language, a concise text format that describes a project as sets of small interconnected libraries, binaries and tests. By contrast, with tools like Make you have to describe individual files and compiler invocations.
- Multi-platform support: The same tool and the same BUILD files can be used to build software for different architectures, and even different platforms. At Google, we use Bazel to build both server applications running on systems in our data centers and client apps running on mobile phones.
On the other hand, Kubernetes provides the following key features:
- Lightweight, simple and accessible
- Built for a multi-cloud world, public, private or hybrid
- Highly modular, designed so that all of its components are easily swappable
"Fast" is the primary reason why developers consider Bazel over the competitors, whereas "Leading docker container management solution" was stated as the key factor in picking Kubernetes.
Bazel and Kubernetes are both open source tools. Kubernetes with 55K GitHub stars and 19.1K forks on GitHub appears to be more popular than Bazel with 12.4K GitHub stars and 2.02K GitHub forks.
Google, Slack, and Shopify are some of the popular companies that use Kubernetes, whereas Bazel is used by Google, Asana, and Square. Kubernetes has a broader approval, being mentioned in 1046 company stacks & 1096 developers stacks; compared to Bazel, which is listed in 11 company stacks and 7 developer stacks.
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