/
main.go
66 lines (53 loc) · 1.58 KB
/
main.go
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package main
import (
"os"
"os/signal"
"syscall"
"github.com/eflem00/go-example-app/common"
"github.com/eflem00/go-example-app/controllers"
"github.com/eflem00/go-example-app/controllers/http"
"github.com/eflem00/go-example-app/controllers/queue"
"github.com/eflem00/go-example-app/gateways/cache"
"github.com/eflem00/go-example-app/gateways/db"
"github.com/eflem00/go-example-app/usecases"
"go.uber.org/dig"
)
func awaitSigterm(logger *common.Logger) {
logger.Info("awaiting sigterm")
cancelChan := make(chan os.Signal, 1)
signal.Notify(cancelChan, syscall.SIGTERM, syscall.SIGINT)
sig := <-cancelChan
logger.Infof("caught sigterm %v", sig)
}
func main() {
container := dig.New()
container.Provide(common.NewSettings)
container.Provide(common.NewLogger)
container.Provide(cache.NewCache)
container.Provide(db.NewDb)
container.Provide(db.NewResultRepository)
container.Provide(usecases.NewResultUseCase)
container.Provide(http.NewHealthHandler)
container.Provide(http.NewResultHandler)
container.Provide(http.NewHttpController)
container.Provide(queue.NewQueueController)
// start controllers in concurrent go routines
err := container.Invoke(func(controller *http.HttpController) {
go controllers.StartController(controller)
})
if err != nil {
panic(err)
}
err = container.Invoke(func(controller *queue.QueueController) {
go controllers.StartController(controller)
})
if err != nil {
panic(err)
}
// blocking call in main routine to await sigterm
err = container.Invoke(awaitSigterm)
if err != nil {
panic(err)
}
// TODO: Shutdown gracefully below
}