feat: support multiple backends per proxy config - #68
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- Change UserInput.Backend (single) to Backends []Backend (slice) - Validate each non-empty backend URL; require at least one - FromUserInput builds Traefik loadBalancer.servers from all non-empty backends - ToUserInput maps all loadbalancer servers back to the Backends slice - Concurrent health checks for all backends in List and Save handlers - Frontend: editor shows 5 backend input fields (Backend 1–5) - Frontend: card displays each configured backend with its health status - Frontend: filter searches across all backend URLs Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
Adds the ability to configure multiple backend servers for a single proxy entry. Traefik will load-balance traffic across all configured backends automatically.
Changes
Backend
config/userinput.go: ChangedUserInput.Backend(single) toBackends []Backend(slice, up to 5 entries). UpdatedValidationErroraccordingly.Validate()checks each non-empty backend URL and requires at least one.config/config.go:FromUserInputbuildsloadBalancer.serversfrom all non-empty backends.ToUserInputmaps all servers back to theBackendsslice.internal/server/server.go: Health checks now run concurrently across all backends for bothListandSavehandlers.Frontend
Testing
All existing tests updated and passing. Build verified.