Knapsack Pro

Google Cloud Build vs Netlify Build comparison of Continuous Integration servers
What are the differences between Google Cloud Build and Netlify Build?

Google Cloud Build

https://cloud.google.com/cloud-build/

Netlify Build

https://www.netlify.com/products/build/
Unique feature

Security / speed

Deploy your sites to global Netlify infrastructure

Every commit gets its own deployed version. Automatically attach a new Deploy Preview at a unique permanent URL whenever you submit a Pull/Merge Request. Set Netlify Build to deploy every branch in the repository for unlimited staging environments.

Type of product

SaaS

SaaS

Offers a free plan

Yes

Google offers a generous 120 build-minutes per day plan, not including time spent waiting in the queue.

Yes

300 build minutes/month, 1 concurrent CI build

Predictable pricing

Yes (partial)

While it's clear what the cost is (priced per build-minute), figuring out costs can be a hassle, especially as the price can vary quite a bit depending on commits to the project.

Yes

Extra 500 build minutes costs $7/month. User seat $15/user/month.

Support / SLA

Yes

Even available as a paid add-on, for 24/7 phone support for example: https://cloud.google.com/support/

Yes

99.99% uptime SLA for Starter and Pro plan. Business plan has negotiable SLA.

Paralellism
Every CI servers tends to address this differently (parallel, distributed, build matrix). Some of it is just marketing, and some is just nuance. For this table, parallel means that tasks can be run concurrently on the same machine, distributed means that tasks can be scaled horizontally, on multiple machines
How to split tests in parallel in the optimal way with Knapsack Pro

Yes

Yes

Starter plan (free) has only 1 concurrent build but Pro plan has 3 concurrent builds included.

Distributed builds
distributed means that tasks can be scaled horizontally, on multiple machines
How to split tests in parallel in the optimal way with Knapsack Pro

N/A

Yes

High-Performance Builds - The premium build environment gives more concurrency, processing power and asynchronous deploys.

Containers support / Build environment

Yes

Native Docker and Packer support

Yes

When you trigger a build on Netlify, their buildbot starts a Docker container to build your website. The buildbot will look for instructions about required languages and software needed to run your command before running build command. The instructions are called dependencies, and how you declare them depends on the programming languages and tools used in build. Build image selection is available. Until recently, all Netlify sites were built using the same build image. Netlify is experimenting with allowing customers to select from multiple Docker images with different operating systems and software versions.

Analytics / Status overview
Analytics and overview referrs to the ability to, at a glance, see what's breaking (be it a certain task, or the build for a specific project)

Yes

Yes

Simple dashboard to see CI builds. Other than CI analytics Netlify has Netlify Analytics that brings data captured directly from their servers for your website.

Management support
How easy is it to manage users / projects / assign roles and permissions and so on

Yes

Yes

Team members managment. Role-based access control only in business plan.

Self-hosted option

No (partial)

While there's no self hosted variant, they provide a local Cloud Build image which allows you to build locally, very valuable for debugging.

No

Hosted plans / SaaS

Yes

Yes

Build pipelines
A continuous delivery pipeline is a description of the process that the software goes through from a new code commit, through testing and other statical analysis steps all the way to the end-users of the product.

Yes

Configurable via YML and/or JSON files.

Yes, partially

Simple steps, define your own steps in bash commands

Reports
Reports are about the abilty to see specific reports (like code coverage or custom ones), but not necesarily tied in into a larger dashboard.

Yes

No

Ecosystem
Besides the official documentation and software, is there a large community using this product? Are there any community-driven tools / plugins that you can use?

Yes

There are predefined images built for Cloud Build, which can be integrated right away in your build process. Some of them are first party: https://github.com/GoogleCloudPlatform/cloud-builders and others are community contributed: https://github.com/GoogleCloudPlatform/cloud-builders-community

No

There are only small helpful things like incoming webhooks so other services can trigger Netlify deploys, and send outgoing webhooks as a deploy starts, succeeds, or fails.

Specific language support: Ruby
Some CI servers have built-in support for parsing RSpec or Istanbul output for example and we mention those. Some others make it even easier by detecting Gemfiles or package.json and automate parts of the process for the developer.

N/A

Nothing specific as far as we can tell

Yes

It has support for Ruby.

Specific language support: JavaScript

Yes (partial)

npm, yarn and jasmine-node support via predefined Cloud Build steps.

Yes

It has support for JavaScript.

Integrations
1st party support for common tools (like Slack notifications, various VCS platforms, etc)

Yes

Various integrations available via custom Build Steps, as well as natively (Kubernetes, Docker, etc.)

Yes

Netlify has incoming webhooks so other services can trigger Netlify deploys, and send outgoing webhooks as a deploy starts, succeeds, or fails. For instance you can integrate it with Slack.

API
Custom integreation is available, via an API or otherwise, it's mentioned separately as it allows further customization than any of the Ecosystem/Integration options

Yes

REST API and comprehensive CLI tool, as well as a pub/sub system for build notifications.

No

Auditing

Yes

N/A

Additional notes

Not unlike other Google tools, there's a strong emphasis on allowing developers to build on top of the service. Becomes more valuable if you're using other Google Cloud services as well.

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