Update the Dockerfile to COPY all files

Signed-off-by: Maysun J Faisal <[email protected]>

docker/Dockerfile

@@ -1,12 +1,11 @@
 FROM registry.access.redhat.com/ubi9/go-toolset:1.18.9-14
 
-COPY go.mod ./
+COPY . .
 RUN go mod download
 
-COPY *.go ./
-
 RUN go build -o ./main
 
+ENV PORT 8081
 EXPOSE 8081
 
-CMD [ "./main" , "-p=8081"]
+CMD [ "./main" ]

main.go

@@ -1,17 +1,19 @@
 package main
 
 import (
-	"flag"
 	"fmt"
 	"net/http"
+	"os"
 )
 
-var port = flag.Int("p", 8080, "server port")
+var port = os.Getenv("PORT")
 
 func main() {
-	flag.Parse()
+	if port == "" {
+		port = "8080"
+	}
 	http.HandleFunc("/", HelloServer)
-	http.ListenAndServe(fmt.Sprintf("0.0.0.0:%d", *port), nil)
+	http.ListenAndServe(fmt.Sprintf("0.0.0.0:%s", port), nil)
 }
 
 func HelloServer(w http.ResponseWriter, r *http.Request) {