switch command line args

Makefile

@@ -1,6 +1,6 @@
 
 sync-run:
-	cd sync/service && PLANNER_DB_HOST=localhost PLANNER_DB_PORT=5432 PLANNER_DB_NAME=planner PLANNER_DB_USER=test PLANNER_DB_PASSWORD=test PLANNER_PORT=8092 PLANNER_API_KEY=testKey go run .
+	cd sync/service && go run . -dbname localhost -dbport 5432 -dbname planner -dbuser test -dbpassword test -port 8092 -key testKey
 
 database:
 	docker run -e POSTGRES_USER=test -e POSTGRES_PASSWORD=test -e POSTGRES_DB=planner -p 5432:5432 postgres:16

sync/service/main.go

@@ -1,50 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"log/slog"
-	"net/http"
-	"os"
-	"os/signal"
-	"syscall"
-)
-
-func main() {
-	port := os.Getenv("PLANNER_PORT")
-	apiKey := os.Getenv("PLANNER_API_KEY")
-	if apiKey == "" {
-		fmt.Println("PLANNER_API_KEY is empty")
-		os.Exit(1)
-	}
-
-	dbHost := os.Getenv("PLANNER_DB_HOST")
-	dbPort := os.Getenv("PLANNER_DB_PORT")
-	dbName := os.Getenv("PLANNER_DB_NAME")
-	dbUser := os.Getenv("PLANNER_DB_USER")
-	dbPassword := os.Getenv("PLANNER_DB_PASSWORD")
-	repo, err := NewPostgres(dbHost, dbPort, dbName, dbUser, dbPassword)
-	if err != nil {
-		fmt.Printf("could not open sqlite db: %s", err.Error())
-		os.Exit(1)
-	}
-
-	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
-	logger.Info("configuration", "configuration", map[string]string{
-		"port":   port,
-		"dbHost": dbHost,
-		"dbPort": dbPort,
-		"dbName": dbName,
-		"dbUser": dbUser,
-	})
-
-	srv := NewServer(repo, apiKey, logger)
-	go http.ListenAndServe(fmt.Sprintf(":%s", port), srv)
-
-	logger.Info("service started")
-
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
-	<-c
-
-	logger.Info("service stopped")
-}

sync/service/service.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+var (
+	apiPort    = flag.String("port", "8092", "api port")
+	apiKey     = flag.String("key", "testKey", "api key")
+	dbHost     = flag.String("dbhost", "localhost", "database host")
+	dbPort     = flag.String("dbport", "5432", "database port")
+	dbName     = flag.String("dbname", "planner", "database name")
+	dbUser     = flag.String("dbuser", "test", "database user")
+	dbPassword = flag.String("dbpassword", "test", "database password")
+)
+
+func main() {
+	flag.Parse()
+
+	repo, err := NewPostgres(*dbHost, *dbPort, *dbName, *dbUser, *dbPassword)
+	if err != nil {
+		fmt.Printf("could not open postgres db: %s", err.Error())
+		os.Exit(1)
+	}
+
+	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
+	logger.Info("configuration", "configuration", map[string]string{
+		"port":   *apiPort,
+		"dbHost": *dbHost,
+		"dbPort": *dbPort,
+		"dbName": *dbName,
+		"dbUser": *dbUser,
+	})
+
+	srv := NewServer(repo, *apiKey, logger)
+	go http.ListenAndServe(fmt.Sprintf(":%s", *apiPort), srv)
+
+	logger.Info("service started")
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
+	<-c
+
+	logger.Info("service stopped")
+}