53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
// anvilweb - AnviLLM static web frontend server
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//
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// Serves the AnviLLM web frontend (static files) and proxies /api/* requests
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// to anvilwebgw (the HTTP gateway service). Run anvilwebgw separately to
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// handle the 9P-connected API endpoints.
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package main
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import (
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"embed"
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"flag"
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"fmt"
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"io/fs"
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"log"
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"net/http"
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"net/http/httputil"
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"net/url"
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"os"
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)
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//go:embed static/*
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var static embed.FS
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var (
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addr = flag.String("addr", ":8080", "HTTP server address")
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gwAddr = flag.String("gw", "http://localhost:8081", "anvilwebgw gateway URL for /api/* requests")
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)
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func main() {
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flag.Parse()
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gwURL, err := url.Parse(*gwAddr)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Invalid gateway URL %q: %v\n", *gwAddr, err)
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os.Exit(1)
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}
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staticFS, err := fs.Sub(static, "static")
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if err != nil {
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log.Fatal(err)
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}
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// Reverse proxy for /api/* to anvilwebgw
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proxy := httputil.NewSingleHostReverseProxy(gwURL)
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mux := http.NewServeMux()
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mux.Handle("/api/", proxy)
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mux.Handle("/", http.FileServer(http.FS(staticFS)))
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log.Printf("Starting anvilweb on %s", *addr)
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log.Printf("Proxying /api/* to %s", *gwAddr)
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log.Fatal(http.ListenAndServe(*addr, mux))
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}
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