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ente/web/docs/deploy.md
Manav Rathi e53c923675
Lint fix + update URL
2024-04-04 15:44:03 +05:30

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Deploying

The various web apps and static sites in this repository are deployed on Cloudflare Pages.

  • Production deployments are triggered by pushing to the deploy/* branches.

  • help.ente.io gets deployed whenever a PR that changes anything inside docs/ gets merged to main.

  • Every night, all the web apps get automatically deployed to a nightly preview URLs (*.ente.sh) using the current code in main.

  • A preview deployment can be made by triggering the "Preview (web)" workflow. This allows us to deploy a build of any of the apps from an arbitrary branch to preview.ente.sh.

Use the various yarn deploy:* commands to help with production deployments. For example, yarn deploy:photos will open a PR to merge the current main onto deploy/photos, which'll trigger the deployment workflow, which'll build and publish to web.ente.io.

When merging these deployment PRs, remember to use rebase and merge so that their HEAD is a fast forward of main instead of diverging from it because of the merge commit.

Deployments

Here is a list of all the deployments, whether or not they are production deployments, and the action that triggers them:

URL Type Deployment action
web.ente.io Production Push to deploy/photos
photos.ente.io Production Alias of web.ente.io
auth.ente.io Production Push to deploy/auth
accounts.ente.io Production Push to deploy/accounts
cast.ente.io Production Push to deploy/cast
payments.ente.io Production Push to deploy/payments
help.ente.io Production Push to main + changes in docs/
staff.ente.sh Production Push to main + changes in web/apps/staff
accounts.ente.sh Preview Nightly deploy of main
auth.ente.sh Preview Nightly deploy of main
cast.ente.sh Preview Nightly deploy of main
payments.ente.sh Preview Nightly deploy of main
photos.ente.sh Preview Nightly deploy of main
preview.ente.sh Preview Manually triggered

Other subdomains

Apart from this, there are also some other deployments:

  • albums.ente.io is a CNAME alias to the production deployment (web.ente.io). However, when the code detects that it is being served from albums.ente.io, it redirects to the /shared-albums page (Enhancement: serve it as a separate app with a smaller bundle size).

  • family.ente.io is currently in a separate repository (Enhancement: bring it in here).

Preview deployments

To trigger a preview deployment, manually trigger the "Preview (web)" workflow from the Actions tab on GitHub. You'll need to select the app to build, and the branch to use. This'll then build the specified app (e.g. "photos") from that branch, and deploy it to preview.ente.sh.

The workflow can also be triggered using GitHub's CLI, gh. e.g.

gh workflow run web-preview -F app=cast --ref my-branch

Details

The rest of the document describes details about how things were setup. You likely don't need to know them to be able to deploy.

First time preparation

Create a new Pages project in Cloudflare, setting it up to use Direct Upload.

Note

Direct upload doesn't work for existing projects tied to your repository using the Git integration.

If you want to keep the pages.dev domain from an existing project, you should be able to delete your existing project and recreate it (assuming no one claims the domain in the middle). I've not seen this documented anywhere, but it worked when I tried, and it seems to have worked for other people too.

There are two ways to create a new project, using Wrangler [1] or using the Cloudflare dashboard [2]. Since this is one time thing, the second option might be easier.

The remaining steps are documented in Cloudflare's guide for using Direct Upload with CI. As a checklist,

  • Generate CLOUDFLARE_API_TOKEN
  • Add CLOUDFLARE_ACCOUNT_ID and CLOUDFLARE_API_TOKEN to the GitHub secrets
  • Add your workflow. e.g. see docs-deploy.yml.

This is the basic setup, and should already work.

Deploying multiple sites

However, we wish to deploy multiple sites from this same repository, so the standard Cloudflare conception of a single "production" branch doesn't work for us.

Instead, we tie each deployment to a branch name. Note that we don't have to actually create the branch or push to it, this branch name is just used as the the branch parameter that gets passed to cloudflare/pages-action.

Since our root pages project is ente.pages.dev, so a branch named foo would be available at foo.ente.pages.dev.

Finally, we create CNAME aliases using a Custom Domain in Cloudflare to point to these deployments from our user facing DNS names.

As a concrete example, the GitHub workflow that deploys docs/ passes "help" as the branch name. The resulting deployment is available at "help.ente.pages.dev". Finally, we add a custom domain to point to it from help.ente.io.