init

internal/server/config.go

@@ -0,0 +1,40 @@
+package server
+
+import (
+	"flag"
+	"fmt"
+)
+
+type config struct {
+	baseURL  string
+	httpAddr string
+	dsn      string
+	logLevel string
+}
+
+const (
+	version         = "0.0.1"
+	defaultBaseURL  = "https://localhost"
+	defaultHTTPAddr = "localhost:6300"
+	//defaultDSN      = "mysql://gopics2:gopics2@/gopics2?parseTime=true"
+	defaultDSN = "sqlite://gopics.db"
+)
+
+//TODO : create load from file, load order : file -> flags
+
+func parseCfg() (config, error) {
+	var cfg config
+	flag.StringVar(&cfg.baseURL, "base-url", defaultBaseURL, "base URL for the application")
+	flag.StringVar(&cfg.httpAddr, "http-address", defaultHTTPAddr, "IP:PORT to listen on for HTTP requests")
+	flag.StringVar(&cfg.dsn, "dsn", defaultDSN, "MySQL data source name")
+	showVersion := flag.Bool("version", false, "display version and exit")
+
+	flag.Parse()
+
+	if *showVersion {
+		fmt.Printf("version: %s\n", version)
+		return cfg, nil
+	}
+	cfg.logLevel = "Debug"
+	return cfg, nil
+}