simple bc for old --port arg

.env.example

@@ -1,3 +1,4 @@
+FATHOM_DEBUG=true
 FATHOM_DATABASE_DRIVER="sqlite3"
 FATHOM_DATABASE_NAME="./fathom.db"
 FATHOM_DATABASE_USER=""

cmd/fathom/fathom.go

@@ -28,7 +28,7 @@ func main() {
 			Flags: []cli.Flag{
 				cli.StringFlag{
 					EnvVar: "FATHOM_SERVER_ADDR",
-					Name:   "addr",
+					Name:   "addr,port",
 					Usage:  "server address",
 					Value:  ":8080",
 				},

cmd/fathom/server.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"net/http"
+	"strconv"
+
 	log "github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
-	"net/http"
 
 	"github.com/gorilla/handlers"
 	"github.com/usefathom/fathom/pkg/api"
@@ -13,6 +15,7 @@ func server(c *cli.Context) error {
 	var h http.Handler
 	h = api.Routes()
 
+	// set debug log level if --debug was passed
 	if c.Bool("debug") {
 		log.SetLevel(log.DebugLevel)
 		h = handlers.LoggingHandler(log.StandardLogger().Writer(), h)
@@ -20,7 +23,13 @@ func server(c *cli.Context) error {
 		log.SetLevel(log.WarnLevel)
 	}
 
+	// if addr looks like a number, prefix with :
 	addr := c.String("addr")
+	if _, err := strconv.Atoi(addr); err == nil {
+		addr = ":" + addr
+	}
+
+	// start listening
 	log.Infof("Server listening on %s", addr)
 	err := http.ListenAndServe(addr, h)
 	if err != nil {