update environment variable for HTTP API port configuration

Author: shahariaazam

.env.example

@@ -1,4 +1,4 @@
 export HONEYCOMB_API_KEY=your_api_key_here
 export HONEYCOMB_DATASET=cli-telemetry
 export HONEYCOMB_API_URL=https://api.eu1.honeycomb.io
-export PORT=8080
+export HTTP_API_PORT=8080

internal/config/config.go

@@ -6,7 +6,7 @@ import (
 
 // Environment variables
 type Config struct {
-	Port             string `envconfig:"PORT" default:"8080"`
+	HTTPAPIPort      string `envconfig:"HTTP_API_PORT" default:"8080"`
 	HoneycombAPIKey  string `envconfig:"HONEYCOMB_API_KEY"`
 	HoneycombDataset string `envconfig:"HONEYCOMB_DATASET" default:"cli-telemetry"`
 	HoneycombAPIURL  string `envconfig:"HONEYCOMB_API_URL"`

main.go

@@ -18,7 +18,7 @@ func main() {
 	http.HandleFunc("/ping", handlePing)
 	http.HandleFunc("/telemetry/event", middleware.CORS(forwarder.TelemetryCollectHandler(cfg)))
 
-	addr := fmt.Sprintf(":%s", cfg.Port)
+	addr := fmt.Sprintf(":%s", cfg.HTTPAPIPort)
 	log.Printf("Starting telemetry server on %s", addr)
 	log.Fatal(http.ListenAndServe(addr, nil))
 }