log sender IP, use port 8080

README.md

@@ -15,7 +15,7 @@ docker run \
   --name reqlog \
   --restart always \
   -d \
-  -p 3000:3000 \
+  -p 8080:8080 \
   -v $(pwd)/requests.log:/requests.log \
   git.roeber.dev/jon/reqlog:v0.0.1
 ```
@@ -25,7 +25,7 @@ docker run \
 ```bash
 curl \
   -X POST \
-  http://localhost:3000/ \
+  http://localhost:8080/ \
   -H "Content-Type: application/json" \
   -d '{"temp": 98.6}'
 ```

main.go

@@ -30,8 +30,11 @@ func post(w http.ResponseWriter, r *http.Request) {
 		w.Write([]byte(err.Error()))
 		return
 	}
+
+	dump := logString(r.RemoteAddr, reqDump)
+
 	// log to stdout
-	fmt.Print(logString(reqDump))
+	fmt.Print(dump)
 
 	// log to logfile
 	lf, err := os.OpenFile(*logFile, os.O_CREATE | os.O_APPEND | os.O_WRONLY, 0644)
@@ -41,16 +44,16 @@ func post(w http.ResponseWriter, r *http.Request) {
 		w.Write([]byte(fmt.Sprintf("failed to open log file: %v", err)))
 	}
 	defer lf.Close()
-	lf.WriteString(logString(reqDump))
+	lf.WriteString(dump)
 
 	// echo log message as response
 	w.WriteHeader(200)
-	w.Write([]byte(logString(reqDump)))
+	w.Write([]byte(dump))
 }
 
-func logString(reqDump []byte) string {
+func logString(senderIP string, reqDump []byte) string {
 	var sb strings.Builder
-	sb.WriteString(fmt.Sprintf("Received request at %v:\n\n", time.Now()))
+	sb.WriteString(fmt.Sprintf("Received request from %v at %v:\n\n", senderIP, time.Now()))
 	sb.Write(reqDump)
 	sb.WriteString("\n\n")
 	return sb.String()