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image-transformer
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Configurable img server prefix and listen address

This commit is contained in:
Andreas Neue 2019-01-09 09:15:04 +01:00
parent f76b07ed5c
commit 4853a60cb0
1 changed files with 12 additions and 2 deletions
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14
main.go
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@ -3,6 +3,7 @@
package main package main
import ( import (
"flag"
"fmt" "fmt"
"log" "log"
"net/http" "net/http"
@ -12,13 +13,22 @@ import (
"github.com/davidbyttow/govips/pkg/vips" "github.com/davidbyttow/govips/pkg/vips"
) )
var (
imgServer = flag.String("s", "https://images.example.com/", "URL prefix")
listenAddr = flag.Int("l", "0.0.0.0:8080", "Listen address")
)
func init() {
flag.Parse()
}
func main() { func main() {
// Start vips with the default configuration // Start vips with the default configuration
vips.Startup(nil) vips.Startup(nil)
defer vips.Shutdown() defer vips.Shutdown()
http.HandleFunc("/", resizeHandler) http.HandleFunc("/", resizeHandler)
log.Fatal(http.ListenAndServe("0.0.0.0:4444", nil)) log.Fatal(http.ListenAndServe(listenAddr, nil))
} }
func resizeHandler(w http.ResponseWriter, r *http.Request) { func resizeHandler(w http.ResponseWriter, r *http.Request) {
@ -57,7 +67,7 @@ func resizeHandler(w http.ResponseWriter, r *http.Request) {
} }
// Start fetching the image from the given url // Start fetching the image from the given url
resp, err := http.Get(queryUrl) resp, err := http.Get(imgServer + queryUrl)
if err != nil { if err != nil {
w.Write([]byte(fmt.Sprintf("failed to get %s: %v", queryUrl, err))) w.Write([]byte(fmt.Sprintf("failed to get %s: %v", queryUrl, err)))
w.WriteHeader(http.StatusBadRequest) w.WriteHeader(http.StatusBadRequest)