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58 lines
1.6 KiB
58 lines
1.6 KiB
2 months ago
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// tera-web serves static browser assets and the same-origin REST/stream proxy.
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package main
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import (
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"context"
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"log"
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"net/http"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"time"
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"tera-clone/services/tera-api/internal/webgateway"
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)
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func main() {
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listenAddress := webGetenv("TERA_WEB_LISTEN_ADDR", "127.0.0.1:8080")
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handler, err := webgateway.NewHandler(webgateway.Options{
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StaticRoot: webGetenv("TERA_WEB_STATIC_ROOT", "../../webapp"),
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APIUpstream: webGetenv("TERA_WEB_API_UPSTREAM", "http://127.0.0.1:8082"),
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SessionUpstream: webGetenv("TERA_WEB_SESSION_UPSTREAM", "http://127.0.0.1:8081"),
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})
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if err != nil {
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log.Fatalf("tera-web setup failed: %v", err)
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}
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server := &http.Server{
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Addr: listenAddress,
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Handler: handler,
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ReadHeaderTimeout: 5 * time.Second,
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IdleTimeout: 60 * time.Second,
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}
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log.Printf("tera-web listening on http://%s", listenAddress)
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serverErrors := make(chan error, 1)
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go func() { serverErrors <- server.ListenAndServe() }()
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signalContext, stopSignals := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
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defer stopSignals()
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select {
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case <-signalContext.Done():
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shutdownContext, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := server.Shutdown(shutdownContext); err != nil {
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log.Printf("tera-web HTTP shutdown failed: %v", err)
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}
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case err := <-serverErrors:
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if err != nil && err != http.ErrServerClosed {
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log.Fatalf("tera-web failed: %v", err)
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}
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}
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}
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func webGetenv(key, fallback string) string {
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if value := strings.TrimSpace(os.Getenv(key)); value != "" {
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return value
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}
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return fallback
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}
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