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Update self-hosted docs to Traefik v3.7.18 - #1116
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Claude Code Review
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The self-hosted documentation updates Traefik image examples to v3.7.18. It adds alias-header settings to two examples and revises version-pin, upgrade, rollback, and header-sanitization guidance.
Changes: Traefik documentation
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Summary
Version examples and header settings src/pages/selfhosted/enterprise/getting-started.mdx, src/pages/selfhosted/external-reverse-proxy.mdx, src/pages/selfhosted/maintenance/configuration-files.mdx, src/pages/selfhosted/maintenance/crowdsec-dashboard.mdx, src/pages/selfhosted/maintenance/scaling/multiple-proxy-instances.mdx, src/pages/selfhosted/migration/combined-container.mdx
Examples now use Traefik v3.7.18. The external reverse proxy and configuration-files examples set aliasHeadersStrategy=delete on both entrypoints.
Upgrade and rollback guidance src/pages/selfhosted/maintenance/upgrade.mdx
The guidance updates version-pin examples, upgrade instructions, rollback targets, and the minimum Traefik version stated for the header-sanitization fix.
The upgrade docs now steer operators toward v3.7.18 but do not warn that rolling back to an earlier version reintroduces a path-based authorization bypass. The migration guide also advertises v3.7.18 while the script it tells users to run installs an older release. Fix the warning and the version claim, or hold the migration page until the installer update lands, before merging.
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The title "Update self-hosted docs to Traefik v3.7.18" matches the main change. The PR updates the documented Traefik version from v3.6, v3.2, and v3.7.14 to v3.7.18 across the self-hosted docs, and t…
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The title "Update self-hosted docs to Traefik v3.7.18" matches the main change. The PR updates the documented Traefik version from v3.6, v3.2, and v3.7.14 to v3.7.18 across the self-hosted docs, and the PR objectives state the same goal. The title is specific and concise.
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A rabbit checks the version line, Then sets the headers neat and fine. The upgrade notes now point the way, With rollback steps for another day. Hop, docs, hop—v3.7.18!
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Actionable comments posted: 2
Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix all issues
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Inline comments:
Review comments at @src/pages/selfhosted/maintenance/upgrade.mdx:
- Line 185: Update the rollback guidance in the maintenance upgrade page to warn
that Traefik v3.0.0 through v3.7.17 are affected by GHSA-cp28-5662-543f when
path-parameter stripping and shared unauthenticated and path-protected routing
enable an authorization bypass. Advise restricting untrusted traffic while using
an affected rollback version and returning to v3.7.18 or a newer verified
release.
Review comments at @src/pages/selfhosted/migration/combined-container.mdx:
- Line 25: Update the Traefik version claim in the migration guide to match the
image produced by the currently downloaded migration script, or document the
required upgrade step to reach v3.7.18; publish the v3.7.18 claim only once the
migration script generates that version.
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🟣 pre-existing, not blocking: Pre-existing: operators who copy this "complete example" Traefik compose get the Traefik v3 default 60s read timeout on websecure, which can cut long-lived gRPC and WebSocket streams. The command list was edited here but still lacks the readTimeout override. configuration-files.mdx:95 calls that override "required for long-lived gRPC and WebSocket connections". Fix: add --entrypoints.websecure.transport.respondingTimeouts.readTimeout=0 next to the new flags, and add it to the "Traefik Configuration Requirements" list too, so both Traefik paths match the bundled config. A small fix can ride a push you are already making; otherwise a short reply is enough.
Why this was flagged
An operator with no existing Traefik follows "If you don't have Traefik set up yet, here's a complete example" at external-reverse-proxy.mdx:809. This diff edits that command list (image bumped to traefik:v3.7.18 at line 814, aliasHeadersStrategy flags added at lines 823-824). It still has no --entrypoints.websecure.transport.respondingTimeouts.readTimeout=0. The bundled config at configuration-files.mdx:76 sets that flag, and the note at configuration-files.mdx:95 says it "is required for long-lived gRPC and WebSocket connections used by the signal and relay services". Since Traefik v3.0 the entrypoint readTimeout defaults to 60s, so NetBird management/signal gRPC streams and relay WebSockets routed through websecure can be cut and reconnect over and over. This is pre-existing: the base example (traefik:v3.2) had the same gap. The diff presents the edited list as complete and current without fixing it.
Verification: The flags this diff adds (lines 823-824, aliasHeadersStrategy=delete) leave out --entrypoints.websecure.transport.respondingTimeouts.readTimeout=0. Traefik v3 defaults the entrypoint readTimeout to 60s, so the example's long-lived streaming requests can be cut. This is not new: the base example (traefik:v3.2) already had the same command list without the override.
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Update self-hosted Traefik versions and upgrade instructions to match netbirdio/netbird#8606.
Validation: MDX lint and production build pass.
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