/
main.go
38 lines (30 loc) · 848 Bytes
/
main.go
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package main
import (
"context"
"fmt"
"log"
"os"
"github.com/joho/godotenv"
migrate "github.com/xakep666/mongo-migrate"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
_ "github.com/taako-502/go-mongodb-sample/migrations"
)
func main() {
if err := godotenv.Load(".env"); err != nil {
log.Printf("環境変数の読込に失敗しました: %v\r\n", err)
}
uri := os.Getenv("MONGO_CONNECTION_STRING_FOR_MIGRATION")
client, err := mongo.Connect(context.TODO(), options.Client().ApplyURI(uri))
if err != nil {
log.Fatal(err)
}
dbname := os.Getenv("DATABASE_NAME")
db := client.Database(dbname)
migrate.SetDatabase(db)
one := 1 // 1つ前のバージョンに戻す
if err := migrate.Down(context.Background(), one); err != nil {
log.Fatal(err)
}
fmt.Println("Migration completed")
}