Fastly

Configure

ini

INERTIA_STATIC_CDN=fastly
FASTLY_SERVICE_ID=...
FASTLY_API_TOKEN=...      # scopes purge_select + purge_all; optional (see Headers-only mode)

Add two VCL snippets: Service → Edit configuration → Clone → VCL → VCL snippets → Add snippet, type Regular, placement within subroutine.

fetch: store only what the package marks as cacheable.

txt

if (beresp.http.X-Inertia-Static-Cache != "cacheable") {
  set beresp.ttl = 120s;
  return(pass);
}

recv: Inertia visits on HTML URLs never use the cache.

txt

if (req.http.X-Inertia && req.url.path !~ "^/__inertia/") { return(pass); }

Activate the new version.

Method	Purges
`purgeUrls()`	the given pages (HTML and page JSON)
`purgeTags()`	every page with one of the tags
`purgePrefix()`	every page under the path
`purgeAll()`	the whole service

Purges are soft by default (except purgeAll()): the old page is served while the new one is fetched. See soft or hard purge.