tempestas

commit c4d2dfc39b1c1dd05b106296fb7e5026cfb67b27
parent d5827970ba6882c8db6c34cdebc0501d2b74ebba
Author: Chris Bracken <chris@bracken.jp>
Date:   Mon, 11 Apr 2022 17:23:21 -0700

Use flags for tempestas options

This eliminates the use of environment variables for options and
replaces them with command-line flags.

Diffstat:
M
main.go
 | 
23
+++++++++++------------

1 file changed, 11 insertions(+), 12 deletions(-)
diff --git a/main.go b/main.go
@@ -1,9 +1,9 @@
 package main
 
 import (
+	"flag"
 	"fmt"
 	"log"
-	"os"
 
 	"git.bracken.jp/tempestas/http"
 	"git.bracken.jp/tempestas/storage"
@@ -11,18 +11,17 @@ import (
 )
 
 func main() {
-	fmt.Println("Initializing database")
-	dbname := os.Getenv("TEMPESTAS_DB")
-	dbuser := os.Getenv("TEMPESTAS_USER")
-	dbpass := os.Getenv("TEMPESTAS_PASS")
-	ds := storage.ConnectPostgres(dbname, dbuser, dbpass)
+	dbname := flag.String("db", "tempestas", "the database name")
+	dbuser := flag.String("user", "tempestas", "the database user")
+	dbpass := flag.String("password", "", "the database password")
+	addr := flag.String("address", ":8080", "HTTP service host:port")
+	flag.Parse()
+
+	fmt.Println("Connecting to database")
+	ds := storage.ConnectPostgres(*dbname, *dbuser, *dbpass)
 	defer ds.Close()
 
-	addr := os.Getenv("TEMPESTAS_ADDR")
-	if addr == "" {
-		addr = ":8080"
-	}
-	fmt.Println("Waiting for requests at " + addr)
+	fmt.Println("Waiting for requests at " + *addr)
 	s := http.CreateServer(ds, "static")
-	log.Fatal(s.ListenAndServe(addr))
+	log.Fatal(s.ListenAndServe(*addr))
 }