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listen on port, update app junk, log more

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This commit is contained in:
Jason Hall 2019-03-22 13:17:56 -04:00
parent cde946337a
commit 1794dde9e8
1 changed files with 16 additions and 4 deletions
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20
fwd/app.go
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@ -19,13 +19,16 @@ import (
"io" "io"
"log" "log"
"net/http" "net/http"
"os"
) )
const appJunk = "https://app-j33hbo5ywa-uc.a.run.app" const appJunk = "https://app-an3qnndwmq-uc.a.run.app"
func main() { func main() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
req, err := http.NewRequest(r.Method, fmt.Sprintf("%s/%s", appJunk, r.URL.Path), nil) url := fmt.Sprintf("%s%s", appJunk, r.URL.Path)
log.Printf("forwarding to %q", url)
req, err := http.NewRequest(r.Method, url, nil)
if err != nil { if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
return return
@ -33,14 +36,23 @@ func main() {
resp, err := http.DefaultClient.Do(req) resp, err := http.DefaultClient.Do(req)
if err != nil { if err != nil {
log.Printf("ERROR: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError) http.Error(w, err.Error(), http.StatusInternalServerError)
return return
} }
for k, v := range resp.Header { for k, v := range resp.Header {
w.Header().Set(k, v[0]) w.Header().Set(k, v[0])
} }
log.Printf("forwarding response: %d", resp.StatusCode)
w.WriteHeader(resp.StatusCode) w.WriteHeader(resp.StatusCode)
io.Copy(w, resp.Body) io.Copy(w, io.TeeReader(resp.Body, os.Stdout))
}) })
log.Fatal(http.ListenAndServe(":8080", nil))
port := os.Getenv("PORT")
if port == "" {
port = "8080"
log.Printf("Defaulting to port %s", port)
}
log.Printf("Listening on port %s", port)
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%s", port), nil))
} }