66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package main
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import (
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"context"
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"flag"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/rose_cat707/go-vue-template/internal/api"
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"github.com/rose_cat707/go-vue-template/internal/service"
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"github.com/rose_cat707/go-vue-template/internal/store"
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)
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func main() {
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dataDir := flag.String("data", envOr("APP_DATA", "./data"), "data directory")
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addr := flag.String("addr", envOr("APP_ADDR", ":8080"), "HTTP listen address")
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flag.Parse()
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if err := os.MkdirAll(*dataDir, 0o755); err != nil {
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log.Fatalf("data dir: %v", err)
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}
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st, err := store.Open(*dataDir)
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if err != nil {
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log.Fatalf("database: %v", err)
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}
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defer st.Close()
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app := &service.App{Store: st, DataDir: *dataDir}
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srv := api.NewServer(app)
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httpServer := &http.Server{
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Addr: *addr,
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Handler: srv.Router(),
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}
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go func() {
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log.Printf("app listening on %s (data=%s)", *addr, *dataDir)
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if err := httpServer.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("server: %v", err)
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}
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}()
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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log.Println("shutting down...")
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := httpServer.Shutdown(ctx); err != nil {
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log.Printf("shutdown: %v", err)
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}
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}
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func envOr(key, fallback string) string {
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if v := os.Getenv(key); v != "" {
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return v
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}
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return fallback
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}
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