rework pipeline

pkg/tasks/golang-bin/build.go

@@ -0,0 +1,29 @@
+package golangbin
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"dagger.io/dagger"
+)
+
+func Build(ctx context.Context, container *dagger.Container, binname string, buildpath string) (dagger.FileID, error) {
+	log.Printf("building binary: (binName=%s) into (buildPath=%s)", binname, buildpath)
+	binpath := fmt.Sprintf("dist/%s", binname)
+	c := container.Exec(dagger.ContainerExecOpts{
+		Args: []string{"go", "build", "-o", binpath, buildpath},
+	})
+
+	_, err := c.ExitCode(ctx)
+	if err != nil {
+		return "", err
+	}
+
+	bin, err := c.File(binpath).ID(ctx)
+	if err != nil {
+		return "", err
+	}
+
+	return bin, nil
+}