98d49f57d5
ref https://linear.app/tryghost/issue/KTLO-45/deploy-members-caching-solution-to-a-single-site-to-validate-and-test Currently we only cache publicly available content. Any content that is accessed by a logged in member is only cached for that specific member based on their cookie. As a result, almost all requests from logged in members bypass our caching layer and reach Ghost, which adds unnecessary load to Ghost and its database. This change adds experimental headers that allow our CDN to understand which tier to cache the content against, and securely tell the CDN which tier a logged in member has access to. With these changes, we can cache the member content against the tier, rather than the individual member, which should result in a higher cache HIT ratio and reduce the load on Ghost. For requests to the frontend of the site, Ghost will set a custom `X-Member-Cache-Tier` header to the ID of the tier of the member who is accessing the content. This tells the CDN which tier to cache the content against. For requests to either `/members/?token=...` endpoint (the magic link endpoint) or `/members/api/member`, Ghost will set a `ghost-access` and `ghost-access-hmac` cookie with the ID of the tier of the logged in member. With these two pieces of information, our CDN can serve cached content to logged in members. These headers are experimental, and can only be enabled via Ghost's config. To enable these headers, set `cacheMembersContent:enabled` to `true` and provide an HMAC key in `cacheMembersContent:hmacSecret`. |
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| .github | ||
| .vscode | ||
| apps | ||
| ghost | ||
| .editorconfig | ||
| .envrc | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| flake.lock | ||
| flake.nix | ||
| LICENSE | ||
| nx.json | ||
| package.json | ||
| PRIVACY.md | ||
| README.md | ||
| SECURITY.md | ||
| yarn.lock | ||
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