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Align guide docs with the code on main - #373

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@aram356 aram356 commented Sep 6, 2026

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Summary

  • A page-by-page audit of docs/guide against the current crates found names that no longer exist, behaviour the code contradicts, and public surface with no coverage. This PR fixes what the audit turned up, so a reader following the guides lands on APIs and commands that exist and behave as described.
  • The audit ran as a rerunnable identifier/flag/link cross-check over every page plus a source-cited review per page group; 66 findings landed, each verified against the cited source line before editing.

Changes

Crate / File Change
docs/guide/adapters/fastly.md Replace phantom dispatch_with_config* with the FastlyService builder; add Custom entry points (runtime_env_config, dispatch_with_registries, RUNTIME_ENV_STORE_NAME, both footguns); buffering, -C, manifest_version = 3, [setup], proxy:: import
docs/guide/adapters/cloudflare.md CloudflareService builder; worker-build build command; context:: / proxy:: imports; wrangler kv key put; Secret Store section; kv/config merged-id collision
docs/guide/adapters/axum.md dev_server::run_app, AxumProxyClient::try_new(), bind-address precedence, EDGEZERO__LOGGING__LEVEL, owns_logging; KV Storage and Secret Store sections; KV no longer listed as unavailable
docs/guide/adapters/spin.md Logging, Proxy Client, Context Access, Testing sections; required = true vs default = ""
docs/guide/adapters/overview.md Streaming current state, proxy-header and logging lists include Spin, Spin Tests, Store Capabilities table, Adapter trait hooks in onboarding
docs/guide/streaming.md, proxying.md Only Cloudflare preserves progressive delivery; SpinProxyClient, AxumProxyClient::try_new()?
docs/guide/routing.md, handlers.md, middleware.md, kv.md Duplicate routes panic at build; Store Extractors (Kv, Config, Secrets, AppConfig<C>); FnMiddleware / middleware_arc; Axum KV file naming
docs/guide/configuration.md app! argument table; adapter metadata component / host / port; auth-* command overrides; rename_all and store_ref rules; compiling secret-resolution example
docs/guide/blob-app-config-migration.md config push --staging as the supported staging path; Axum env-var and wrangler secret put forms; canary key in examples; config.rs diff entry point
docs/guide/manifest-store-migration.md EDGEZERO__LOGGING__* rows; drop dispatch_with_*_handle
docs/guide/cli-reference.md, cli-walkthrough.md -C / --manifest-path serve and deploy forms; healthcheck outputs and token behaviour; Cloudflare --binding --local; pushed-key / pushed-store; EDGEZERO_MANIFEST scope; my-app.toml in the tree; lifecycle commands in the generated CLI
docs/guide/deploy-github-actions.md, docs/specs/edgezero-deploy-github-action.md cache/restore@v6 + cache/save@v6, no checkout; cache-key components; artifact retention and job summary
docs/guide/architecture.md, what-is-edgezero.md, roadmap.md, docs/index.md Spin in the layout, adapter list, feature table, platform table, feature cards; Spin moved to Completed; dispatch_with_config dropped from the diagram
docs/.vitepress/config.mts KV Storage added to the sidebar
crates/edgezero-adapter-axum/src/key_value_store.rs Module doc: .edgezero/kv-<slug>-<hash>.redb, not the removed .edgezero/kv.redb default

Closes

Closes #372
Closes #361
Closes #77

Test plan

  • cargo fmt --all -- --check
  • Docs build: cd docs && npm run lint && npm run format && npm run build
  • Other: every behavioural claim edited was checked against the cited source line; the identifier/flag/link cross-check over docs/guide reports only placeholder app names and third-party names
  • cargo test --workspace --all-targets (no Rust code changed; one //! comment)
  • cargo clippy --workspace --all-targets --all-features -- -D warnings (not applicable)
  • cargo check --workspace --all-targets --features "fastly cloudflare spin" (not applicable)
  • WASM builds (not applicable)
  • examples/app-demo workspace (not applicable)
  • Manual testing via edgezero serve --adapter axum (not applicable)

Checklist

  • Changes follow CLAUDE.md conventions
  • No Tokio deps added to core or adapter crates
  • Route params use {id} syntax (not :id)
  • Types imported from edgezero_core (not http crate)
  • Store wiring goes through KvRegistry / ConfigRegistry / SecretRegistry (not the legacy single-handle setters) — see spec §6.6
  • New code has tests (docs only)
  • No secrets or credentials committed

A page-by-page audit of docs/guide against the current crates found
names that no longer exist, behaviour descriptions the code contradicts,
and public surface with no coverage. This commit fixes what the audit
turned up.

Phantom names: dispatch_with_config / dispatch_with_config_handle
(fastly, cloudflare, architecture), AxumProxyClient::default(),
EDGEZERO_SECRET_ prefix, wrangler secret put --binding, diff.rs entry
point, dispatch_with_*_handle, crate-root imports for types that live
in proxy:: / context:: / dev_server::.

Behaviour: response streaming is preserved only on Cloudflare (Fastly,
Spin and Axum buffer); duplicate routes panic at build rather than
first-registered-wins; Axum honours the axum.toml port through the CLI
and reads EDGEZERO__LOGGING__LEVEL, not edgezero.toml; Axum KV files are
.edgezero/kv-<slug>-<hash>.redb; healthcheck emits status-code only when
an HTTP status arrived and degrades to service-level without a token;
EDGEZERO_MANIFEST and the missing-manifest fallback apply to
build/deploy/serve only; Cloudflare local push selects by --binding;
deploy actions use cache/restore@v6 + cache/save@v6 and no checkout;
the cache key includes the workspace path and build-args hash.

Coverage: Fastly custom entry points (runtime_env_config,
dispatch_with_registries, RUNTIME_ENV_STORE_NAME and the two footguns);
FastlyService / CloudflareService builders; store extractors (Kv,
Config, Secrets, AppConfig<C>); FnMiddleware and middleware_arc; app!
argument list; adapter metadata component/host/port and auth-* command
overrides; EDGEZERO__LOGGING__* rows; config push --staging as the
supported staging path; Spin everywhere it was missing (landing page,
platform table, architecture, roadmap, overview tests and capability
table, and Logging / Proxy / Context / Testing sections on its page);
Axum KV and Secret Store sections; Cloudflare Secret Store and the
kv/config merged-id collision; scaffold tree and generated CLI surface;
KV page added to the sidebar.
The dev server derives .edgezero/kv-<slug>-<hash>.redb for every
declared id (kv_store_path in dev_server.rs); the hard-coded
.edgezero/kv.redb default the module doc described no longer exists.
@aram356 aram356 self-assigned this Sep 6, 2026

@ChristianPavilonis ChristianPavilonis left a comment

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Summary

Reviewed the locked PR revision against its base. The documentation alignment is broadly correct, with five actionable documentation corrections noted inline.

Comment thread docs/guide/adapters/cloudflare.md Outdated
Comment thread docs/guide/routing.md Outdated
Comment thread docs/guide/manifest-store-migration.md Outdated
Comment thread docs/guide/streaming.md Outdated
Comment thread docs/guide/cli-reference.md Outdated
Five inline comments from the PR 373 review, each checked against
source before editing.

"Cloudflare's documented manual dispatch call does not compile": the
builder's dispatch takes (req, env, ctx) and is async. Documented the
real call with a complete entrypoint example.

"Duplicate routes are not always caught at startup": only Axum builds
the router once at startup; Fastly, Cloudflare, and Spin call
build_app() per request, so the panic lands on the first request after
a successful deploy. Said so and pointed at the Axum dev server as the
pre-deploy check.

"These Fastly logging controls are not applied on the runtime-env path":
FastlyLogging::from(&EnvConfig) derives logger use from ENDPOINT alone
and hard-codes echo_stdout. Marked USE_FASTLY_LOGGER and ECHO_STDOUT as
resolved but not applied, and noted that ENDPOINT is what enables the
logger.

"Buffering adapters do not provide the claimed memory benefit": Axum
collects into an unbounded buffer and Spin caps at 16 MiB. Scoped the
memory claim to Cloudflare and described streaming on the buffering
adapters as composability only.

"EDGEZERO_MANIFEST also applies to auth": run_auth calls
load_manifest_optional and has no --manifest flag. Added auth to the
env-var scope and the missing-manifest fallback.

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PR Review

Summary

A genuinely high-quality audit — the corrections I spot-checked held up against source almost without exception, and at least one of them (the Fastly streaming claim) removes a description that was never true of this codebase. Findings below are mostly the audit's own blind spot: places where a correction landed in one file but the identical stale text, or a directly adjacent claim, was left behind. One finding is a hard blocker because it would not compile.

😃 Praise

  • The streaming rewrite fixes a fabricated claim. stream_to_client appears nowhere in crates/ — the old text described an API that does not exist. fastly/src/response.rs:18-25 really does drain the whole Body::Stream via executor::block_on(stream.next()) into a fastly::Body before returning. Correctly scoped, and correctly left alone for Cloudflare, which genuinely streams via CfResponse::from_stream (cloudflare/src/response.rs:30).
  • The Axum bind-precedence rewrite is exact and complete, covering both paths: CLI (axum/src/cli.rs:473-540, env → edgezero.tomlaxum.tomladdr::DEFAULT_*) and direct-binary (dev_server.rs:517-519, which passes None, None so only env or default apply). The old "binds to 127.0.0.1:8787 regardless of axum.toml" was stale.
  • The Store Capabilities table is correct in every cell across all four adapters, including the gc_config_entries / staging-lifecycle exclusivity claim.
  • The cache-key component list matches resolve-project.sh:224 term for term, workspace path and build-args hash included.

Findings

Blocking

  • 🔧 Cloudflare's dispatch_with_registries is pub(crate) — inline on docs/guide/adapters/cloudflare.md:85. Would fail to compile if a reader follows the Fastly page's import pattern.

  • 🔧 Fastly custom entry point omits the owns_logging guard — inline on docs/guide/adapters/fastly.md:145. Breaks the "full parity" promise the section is built on.

  • 🔧 cargo install worker-builder installs nothing — the crate is worker-build. docs/guide/adapters/cloudflare.md:8 (unchanged by this PR) still says:

    - worker-builder: `cargo install worker-builder`
    

    This PR changed line 34 to command = "worker-build --release", matching cloudflare/src/templates/wrangler.toml.hbs:6 — correct, and now sitting 26 lines below a prerequisite command that fails. worker-builder appears nowhere else in the repo. Cheap to fix while in the file.

  • 🔧 The same stale wrangler command survives in a file this PR edited. docs/guide/manifest-store-migration.md:182 still reads Populate the namespace via `wrangler kv:key put` . This PR fixed that exact string in cloudflare.md:201 (wrangler kv key put), and the repo's own CLI uses the space form (cloudflare/src/cli.rs:134). The colon form is the deprecated pre-3.60 spelling. Same one-word fix.

Non-blocking

  • ♻️ proxying.md gained SpinProxyClient but the two bullets above it still say "Fastly and Cloudflare". The PR updated line 59; lines 56-57 were left:

    • L56 "Fastly and Cloudflare preserve streaming bodies; Axum buffers outbound bodies before sending." Spin buffers too, and harder than Axum — spin/src/proxy.rs:29 calls collect_body_bytes, which errors above 16 MiB (spin/src/response.rs:19,38-42). A reader who has just been introduced to Spin's proxy client on line 59 is left assuming it streams.
    • L57 "Fastly and Cloudflare automatically decode gzip/br responses for you." Spin does this as well — spin/src/proxy.rs:52 (decompress_body), stripping content-encoding/content-length at :66-70.

    (The Fastly/Cloudflare halves of L56 are correct: fastly/src/proxy.rs:183-193 writes chunks to a StreamingBody, cloudflare/src/proxy.rs:70-81 uses WorkerBody::from_stream. Proxy streaming and response streaming differ per adapter, which is worth not flattening.)

  • ♻️ .edgezero/kv.redb still stands in core. crates/edgezero-core/src/key_value_store.rs:915, in the put_bytes_with_ttl doc comment: "Keys never accessed after expiration remain in the database until deleted, so .edgezero/kv.redb grows without bound on long-running dev servers." This is the identical stale path the PR corrects in the Axum sibling module doc — same fix, one file over.

  • 🤔 [local_server.*] framing on fastly.md:41 — inline.

  • axum.md:272 "(geolocation)" names a gap that does not exist — inline.

  • key_value_store.rs:9 "each declared KV id" — keyed by resolved store name, not id — inline.

  • Redundant Ok(…?) on fastly.md:150 — inline.

Verification notes

Claims were checked against source rather than read for plausibility. Verified correct, among others: the FastlyService / CloudflareService builder surfaces (every method name, arity, and sync-vs-async — Fastly's dispatch is sync and consumes self, Cloudflare's is async and takes (req, env, ctx), and both docs get this right); RUNTIME_ENV_STORE_NAME and the EDGEZERO__SERVICES__<ID>__… → canonical-key translation; the two Fastly footguns, both backed by existing tests; manifest_version = 3 against the template; store extractors Kv / Config / Secrets / AppConfig<C> with .default() / .named(); FnMiddleware and middleware_arc (router.rs:155); the duplicate-route panic string (router.rs:105) and the per-adapter timing claim (build_app() per request in fastly/cloudflare/spin lib.rs, once at startup in dev_server.rs:352); EDGEZERO_MANIFEST scope, confirmed at all four load_manifest_optional call sites — run_build, run_deploy, run_serve, and auth.rs:30; --key/--staging exclusivity (config.rs:1389-1401); the healthcheck output shape, including status-code being emitted only when a status arrived (fastly/src/cli.rs:5468-5476); pushed-key / pushed-store; the app! argument table against the macro's own "expected state or owns_logging" error; the adapter metadata keys against the manifest's component/crate/host/manifest/port rejection message; wrangler kv bulk put … --binding … --local (cloudflare/src/cli.rs:474); cache/restore@v6 + cache/save@v6 with no actions/checkout in the composite actions; and if: always() on the job-summary step (deploy-fastly/action.yml:449).

Two caveats on coverage. The Fastly/Cloudflare and Axum/Spin areas were verified exhaustively, file by file. The CLI/config and core-guide areas were verified claim-by-claim via targeted source lookups rather than full reads, so a stale claim there is likelier to have been missed than in the first two.

CI Status

Run against fa40699 merged with main (593fc92):

  • cargo fmt --all -- --check: PASS
  • cargo clippy --workspace --all-targets --all-features -- -D warnings: PASS
  • cargo test --workspace --all-targets: PASS — 1421 passed, 0 failed
  • cd docs && npm run lint && npm run format && npm run build: PASS, no dead links

Two trybuild cases corroborate the configuration.md additions directly: secret_store_ref_optional.rs and secret_with_serde_container_rename_all.rs / nested_parent_rename_all.rs all exist as should-fail-to-compile fixtures, so the rename_all and non-Option store_ref rules the PR documents are genuinely enforced.

Comment thread docs/guide/adapters/cloudflare.md Outdated
Comment thread docs/guide/adapters/fastly.md Outdated
Comment thread docs/guide/adapters/fastly.md Outdated
Comment thread docs/guide/adapters/fastly.md Outdated
Comment thread docs/guide/adapters/axum.md Outdated
Comment thread crates/edgezero-adapter-axum/src/key_value_store.rs Outdated
Ten findings from the PR 373 review, each re-checked against source.

"Cloudflare's dispatch_with_registries is pub(crate)": reworded so the
name is not presented as a public entry point, unlike Fastly's.

"Fastly custom entry point omits the owns_logging guard": the example
now mirrors run_app's `use_fastly_logger && !owns_logging()` check.

"cargo install worker-builder installs nothing": the crate is
worker-build; prerequisite fixed.

"The same stale wrangler command survives": `wrangler kv:key put` in
manifest-store-migration.md is now the space form.

"proxying.md bullets still say Fastly and Cloudflare": Spin buffers
outbound bodies with a 16 MiB cap and also decodes gzip/br; both
bullets say so.

".edgezero/kv.redb still stands in core": the put_bytes_with_ttl doc
comment now names the per-store kv-<slug>-<hash>.redb file.

"[local_server.*] framing": provision writes only [setup.*], keyed by
platform name; config push --local writes the config-store stanzas,
kv/secret local seeding is hand-edited.

"(geolocation) names a gap that does not exist": parenthetical
replaced with a claim that holds.

"each declared KV id": files are keyed by resolved store name; the
module doc says store.

"Redundant Ok(...?)": dropped; dispatch_with_registries already returns
the right Result.
@aram356

aram356 commented Sep 17, 2026

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Addressed the second review in 8f55e2e. The six inline threads each have a reply. The four items that were only in the review body are also in that commit:

  • cargo install worker-builder is now cargo install worker-build (cloudflare.md prerequisites).
  • wrangler kv:key put in manifest-store-migration.md is now the space form.
  • proxying.md's two bullets now include Spin: it buffers outbound bodies with a 16 MiB cap and decodes gzip/br.
  • The .edgezero/kv.redb path in core's put_bytes_with_ttl doc comment now names the per-store kv-<slug>-<hash>.redb file.

Docs lint, format, and build pass locally; cargo fmt and the doc tests for the two touched crates pass.

@aram356
aram356 requested a review from prk-Jr September 17, 2026 06:52
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