rework pipeline

pkg/tasks/golang/cache.go

@@ -0,0 +1,18 @@
+package golang
+
+import (
+	"context"
+
+	"dagger.io/dagger"
+)
+
+func Cache(ctx context.Context, client *dagger.Client, container *dagger.Container) (*dagger.Container, error) {
+	cacheKey := "gomods"
+	cacheID, err := client.CacheVolume(cacheKey).ID(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return container.
+		WithMountedCache(cacheID, "/cache").
+		WithEnvVariable("GOMODCACHE", "/cache"), nil
+}