64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
package main
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import (
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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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"path/filepath"
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"strings"
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"time"
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)
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func main() {
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gateway, err := url.Parse(env("DOCKER_GATEWAY_URL", "http://127.0.0.1:8081"))
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if err != nil {
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log.Fatal(err)
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}
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proxy := httputil.NewSingleHostReverseProxy(gateway)
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originalDirector := proxy.Director
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proxy.Director = func(request *http.Request) {
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originalDirector(request)
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request.URL.Path = "/v1/browsers" + strings.TrimPrefix(request.URL.Path, "/api/browsers")
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request.Host = gateway.Host
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}
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mux := http.NewServeMux()
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mux.Handle("/api/browsers", proxy)
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mux.Handle("/api/browsers/", proxy)
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mux.HandleFunc("GET /healthz", func(response http.ResponseWriter, _ *http.Request) {
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response.WriteHeader(http.StatusNoContent)
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})
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mux.Handle("/", spaHandler(env("WEB_DIR", "web/dist")))
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server := &http.Server{
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Addr: env("LISTEN_ADDR", ":8080"),
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Handler: mux,
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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("CreatorHub control plane listening on %s", server.Addr)
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log.Fatal(server.ListenAndServe())
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}
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func spaHandler(directory string) http.Handler {
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files := http.FileServer(http.Dir(directory))
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return http.HandlerFunc(func(response http.ResponseWriter, request *http.Request) {
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name := filepath.Join(directory, filepath.Clean(strings.TrimPrefix(request.URL.Path, "/")))
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if info, err := os.Stat(name); err == nil && !info.IsDir() {
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files.ServeHTTP(response, request)
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return
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}
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http.ServeFile(response, request, filepath.Join(directory, "index.html"))
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})
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}
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func env(name, fallback string) string {
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if value := os.Getenv(name); 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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