web.dev [Archived]

Note: This site is migrated to a new platform and this repository is available in a read-only mode. We will not be merging new pull requests. Please raise content issues in the new issue tracker.

web.dev is the ultimate resource for developers of all backgrounds to learn, create, and solve on the web. It's meant to not only educate developers, but help them apply what they've learned to any site they work on, be it personal or business.

[Archived README]

Building the site 🏗

You'll need a recent version of Node: v14 (LTS) or higher. To check your node version run node -v in your terminal.

If you don't have node, or if you need to upgrade, we recommend using the Node Version Manager (nvm).

Clone the repo

git clone https://github.com/GoogleChrome/web.dev.git

Change directory into the folder created

cd web.dev

Install dependencies

npm ci

Start a local server to preview the site

npm run dev

Open http://localhost:8080/ to see the site locally. Changes to assets will rebuild the site. Refresh to see your changes.

Set up build flags

Building the entire site can take a while because it's around one thousand pages. If you want to massively speed up your build times, we suggest setting some build flags to ignore certain sections.

Create a .env file at the root of your project
Add the following:

# Ignore ALL site content
ELEVENTY_IGNORE=true

# Only build the directories you're working on.
# Note, this is a JSON string so you must use double quotes.
ELEVENTY_INCLUDE=["blog", "vitals"]

Environments 🌳

Set ELEVENTY_ENV=prod to force production builds. This is the default when running "stage" or "deploy". No other options for ELEVENTY_ENV are supported, although our Eleventy site config will default to 'dev' if unspecified.

The production build currently requires a lot of memory, to the point where node might exit with errors along the line of

FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory

v8::internal::V8::FatalProcessOutOfMemory(v8::internal::Isolate*, char const*, bool) [node]

The exact amount of heap space required varies from computer to computer and version of node. If you need a local production build, but run out of memory, you can increase the heap size by adding --node-options '--max_old_space_size=8192' (to assign 8gb of heap space) to the npm command, prior to run. For instance:

ELEVENTY_ENV=prod npm --node-options '--max_old_space_size=8192' run build

Staging 🕺

When you send in a pull request it will be automatically staged for you. Keep an eye out for the netlify bot to comment on the pull request with your unique URL.

Deploying the site 🚀

Automatic deploys

The site will build and deploy the main branch automatically every hour, Mon-Fri. If you've just merged an article then it should go live at the top of the next hour.

Manual deploys

To manually deploy the site you'll need to be a member of one of these Google teams:

web.dev-eng
web.dev-owners

Navigate to the Cloud Build Triggers page.
Click the RUN button for the trigger named Deploy.
In the side drawer that opens up, click the RUN TRIGGER button for the trigger for the main branch.

NOTE: web.dev auto deploys every hour if there is a new commit in the main branch. Manual deploys should only occur when a build fails or if auto deploys are disabled.

Debugging 🐛

If you need to debug the site's build process:

Add a debugger statement to .eleventy.js
Run npm run debug:eleventy
Go to about://inspect to attach to the running process.

License

GoogleChrome/web.dev

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