implement sqlite write queue

main.go

@@ -6,15 +6,20 @@ import (
 	"go-nkode/core"
 	"log"
 	"net/http"
+	"os"
 )
 
 const (
 	emailQueueBufferSize = 100
-	maxEmailsPerSecond   = 13 // SES allows 14 but I don't want to push it
+	maxEmailsPerSecond   = 13 // SES allows 14, but I don't want to push it
 )
 
 func main() {
-	db := core.NewSqliteDB("nkode.db")
+	dbPath := os.Getenv("SQLITE_DB")
+	if dbPath == "" {
+		log.Fatalf("SQLITE_DB=/path/to/nkode.db not set")
+	}
+	db := core.NewSqliteDB(dbPath)
 	defer db.CloseDb()
 	sesClient := core.NewSESClient()
 	emailQueue := core.NewEmailQueue(emailQueueBufferSize, maxEmailsPerSecond, &sesClient)