Merge pull request #70 from getAlby/feature/configurable-port

Make port configurable

README.md

@@ -31,8 +31,9 @@ vim .env # edit your config
 + `LND_ADDRESS`: LND address (with port)
 + `LND_MACAROON_HEX`: LND macaroon
 + `LND_CERT_HEX`: LND certificate
-+ `LOG_FILE_PATH`: (optional) By default all logs are written to STDOUT. If you want to log to a file provide the log file path here 
++ `LOG_FILE_PATH`: (optional) By default all logs are written to STDOUT. If you want to log to a file provide the log file path here
 + `SENTRY_DSN`: (optional) Sentry DSN for exception tracking
++ `PORT`: (default: 3000) Port the app should listen on
 
 
 ## Developing
@@ -50,7 +51,7 @@ make
 ```
 
 
-## Database 
+## Database
 LndHub.go supports PostgreSQL and SQLite as database backend. But SQLite does not support the same data consistency checks as PostgreSQL.
 
 ### Ideas

lib/service/config.go

@@ -9,4 +9,5 @@ type Config struct {
 	LNDAddress     string `envconfig:"LND_ADDRESS" required:"true"`
 	LNDMacaroonHex string `envconfig:"LND_MACAROON_HEX" required:"true"`
 	LNDCertHex     string `envconfig:"LND_CERT_HEX"`
+	Port           int    `envconfig:"PORT" default:"3000"`
 }

main.go

@@ -147,7 +147,7 @@ func main() {
 
 	// Start server
 	go func() {
-		if err := e.Start(":3000"); err != nil && err != http.ErrServerClosed {
+		if err := e.Start(fmt.Sprintf(":%v", c.Port)); err != nil && err != http.ErrServerClosed {
 			e.Logger.Fatal("shutting down the server")
 		}
 	}()