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package main
import (
"context"
"errors"
"log/slog"
"net/http"
"os"
"os/signal"
"syscall"
"git.anhgelus.world/anhgelus/small-world/backend"
"github.com/joho/godotenv"
)
func init() {
err := godotenv.Load(".env")
if err != nil && !errors.Is(err, os.ErrNotExist) {
slog.Error("loading .env", "error", err)
}
}
func main() {
r := backend.NewRouter()
slog.Info("starting http server")
server := &http.Server{Addr: ":8000", Handler: r}
errChan := make(chan error)
go startServer(server, errChan)
sc := make(chan os.Signal, 1)
signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
ok := true
for ok {
select {
case err := <-errChan:
slog.Error("http server running", "error", err)
slog.Info("restarting the server")
go startServer(server, errChan)
case <-sc:
err := server.Shutdown(context.Background())
if err != nil {
slog.Error("closing http server", "error", err)
}
ok = false
}
}
slog.Info("http server stopped")
}
func startServer(server *http.Server, errChan chan error) {
err := server.ListenAndServe()
if err != nil && !errors.Is(err, http.ErrServerClosed) {
errChan <- err
}
}
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