Adding code for the proxy

Signed-off-by: Will Fisher <whfisher@alaska.edu>

.gitignore

@@ -0,0 +1 @@
+build

README.md

@@ -4,4 +4,15 @@ Dead simple http reverse proxy
 
 ## Build using
 
-env GOOS=windows GOARCH=amd64 go build main.go
+### Building for default OS
+
+```bash
+mkdir build
+go build -o build/gorp
+```
+
+### Building for Windows
+```bash
+mkdir build
+env GOOS=windows GOARCH=amd64 go build -o build/gorp.exe
+```

go.mod

@@ -0,0 +1,3 @@
+module github.com/acep-devops/gorp
+
+go 1.21.4

main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+	"net/http/httputil"
+	"net/url"
+)
+
+func createReverseProxy(target string) (http.Handler, error) {
+	targetURL, err := url.Parse(target)
+	if err != nil {
+		return nil, err
+	}
+
+	proxy := httputil.NewSingleHostReverseProxy(targetURL)
+
+	return proxy, nil
+}
+
+func main() {
+	var port int
+	flag.IntVar(&port, "p", 9999, "port to serve on")
+	flag.Parse()
+
+	fmt.Println(port)
+
+	target := "http://127.0.0.1:55235"
+	proxy, err := createReverseProxy(target)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	http.Handle("/", proxy)
+
+	log.Printf("Starting reverse proxy server on port %d, forwarding requests to %s", port, target)
+	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), nil))
+}