Rename ADDR evnrironment variable to PORT (semantics :))

example.env

@@ -1 +1 @@
-ADDR=8080
+PORT=8080

main.go

@@ -59,10 +59,10 @@ func main() {
 // web server
 func run() error {
 	mux := makeMuxRouter()
-	httpAddr := os.Getenv("ADDR")
-	log.Println("Listening on ", os.Getenv("ADDR"))
+	httpPort := os.Getenv("PORT")
+	log.Println("HTTP Server Listening on port :", httpPort)
 	s := &http.Server{
-		Addr:           ":" + httpAddr,
+		Addr:           ":" + httpPort,
 		Handler:        mux,
 		ReadTimeout:    10 * time.Second,
 		WriteTimeout:   10 * time.Second,

networking/example.env

@@ -1 +1 @@
-ADDR=9000
+PORT=9000

networking/main.go

@@ -47,11 +47,14 @@ func main() {
 	spew.Dump(genesisBlock)
 	Blockchain = append(Blockchain, genesisBlock)
 
+	httpPort := os.Getenv("PORT")
+
 	// start TCP and serve TCP server
-	server, err := net.Listen("tcp", ":"+os.Getenv("ADDR"))
+	server, err := net.Listen("tcp", ":"+httpPort)
 	if err != nil {
 		log.Fatal(err)
 	}
+	log.Println("HTTP Server Listening on port :", httpPort)
 	defer server.Close()
 
 	for {

proof-stake/example.env

@@ -1 +1 @@
-ADDR=9000
+PORT=9000

proof-stake/main.go

@@ -57,11 +57,14 @@ func main() {
 	spew.Dump(genesisBlock)
 	Blockchain = append(Blockchain, genesisBlock)
 
+	httpPort := os.Getenv("PORT")
+
 	// start TCP and serve TCP server
-	server, err := net.Listen("tcp", ":"+os.Getenv("ADDR"))
+	server, err := net.Listen("tcp", ":"+httpPort)
 	if err != nil {
 		log.Fatal(err)
 	}
+	log.Println("HTTP Server Listening on port :", httpPort)
 	defer server.Close()
 
 	go func() {

proof-work/example.env

@@ -1 +1 @@
-ADDR=8080
+PORT=8080

proof-work/main.go

@@ -65,10 +65,10 @@ func main() {
 // web server
 func run() error {
 	mux := makeMuxRouter()
-	httpAddr := os.Getenv("ADDR")
-	log.Println("Listening on ", os.Getenv("ADDR"))
+	httpPort := os.Getenv("PORT")
+	log.Println("HTTP Server Listening on port :", httpPort)
 	s := &http.Server{
-		Addr:           ":" + httpAddr,
+		Addr:           ":" + httpPort,
 		Handler:        mux,
 		ReadTimeout:    10 * time.Second,
 		WriteTimeout:   10 * time.Second,