vaultik/internal/s3/module.go

package s3

import (
	"context"

	"go.uber.org/fx"
	"sneak.berlin/go/vaultik/internal/config"
)

// Module exports S3 functionality as an fx module.
// It provides automatic dependency injection for the S3 client,
// configuring it based on the application's configuration settings.
//
//nolint:gochecknoglobals // fx module definitions are package globals
var Module = fx.Module("s3",
	fx.Provide(
		provideClient,
	),
)

func provideClient(lc fx.Lifecycle, cfg *config.Config) (*Client, error) {
	ctx := context.Background()

	client, err := NewClient(ctx, Config{
		Endpoint:        cfg.S3.Endpoint,
		Bucket:          cfg.S3.Bucket,
		Prefix:          cfg.S3.Prefix,
		AccessKeyID:     cfg.S3.AccessKeyID,
		SecretAccessKey: cfg.S3.SecretAccessKey,
		Region:          cfg.S3.Region,
	})
	if err != nil {
		return nil, err
	}

	lc.Append(fx.Hook{
		OnStop: func(_ context.Context) error {
			// S3 client doesn't need explicit cleanup
			return nil
		},
	})

	return client, nil
}