udemy-go-web-2/cmd/web/main.go

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2024-08-03 10:17:39 +00:00
package main
import (
"flag"
"fmt"
"html/template"
"log"
"net/http"
"os"
"time"
)
const (
version = "1.0.0"
cssVersion = "1"
)
type config struct {
port int
env string
api string
db struct {
dsn string
}
stripe struct {
secret string
key string
}
}
type application struct {
config config
infolog *log.Logger
errorLog *log.Logger
templateCache map[string]*template.Template
version string
}
func (app *application) serve() error {
srv := &http.Server{
Addr: fmt.Sprintf(":%d", app.config.port),
Handler: app.routes(),
IdleTimeout: 30 * time.Second,
ReadTimeout: 10 * time.Second,
ReadHeaderTimeout: 5 * time.Second,
WriteTimeout: 5 * time.Second,
}
app.infolog.Printf(
"Starting HTTP server in %s mode on port %d",
app.config.env,
app.config.port,
)
return srv.ListenAndServe()
}
func main() {
var cfg config
flag.IntVar(&cfg.port, "port", 4000, "Server port to listen on")
flag.StringVar(
&cfg.env,
"env",
"development",
"Application environment {development|production}",
)
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flag.StringVar(
&cfg.db.dsn,
"dsn",
"root@tcp(localhost:6379)/widgets?parseTime=true&tls=false",
"Application environment {development|production}",
)
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flag.StringVar(&cfg.api, "api", "http://localhost:4001", "URL to api")
flag.Parse()
cfg.stripe.key = os.Getenv("STRIPE_KEY")
cfg.stripe.secret = os.Getenv("STRIPE_SECRET")
infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
errorLog := log.New(os.Stdout, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)
tc := make(map[string]*template.Template)
app := &application{
config: cfg,
infolog: infoLog,
errorLog: errorLog,
templateCache: tc,
version: version,
}
err := app.serve()
if err != nil {
app.errorLog.Println(err)
log.Fatal(err)
}
}