fix: use image name for run command (#238)

The run command shouldn't consume the digest (as it is being created once the image is being pushed to the external registry), because if we do deploy , then build and then run, the run will use image produced by deploy not the subsequent build.

Signed-off-by: Zbynek Roubalik <[email protected]>

Author: zroubalik

Diff for: docker/runner.go

@@ -30,15 +30,15 @@ func (n *Runner) Run(f faas.Function) error {
 		return errors.New("please install 'docker'")
 	}
 
-	if f.Image == "" || f.ImageWithDigest() == "" {
-		return errors.New("Function has no associated Image and Digest. Has it been built?")
+	if f.Image == "" {
+		return errors.New("Function has no associated Image. Has it been built?")
 	}
 
 	// Extra arguments to docker
 	args := []string{"run", "--rm", "-t", "-p=8080:8080"}
 
 	for name, value := range f.EnvVars {
-		if !strings.HasSuffix(name,"-") {
+		if !strings.HasSuffix(name, "-") {
 			args = append(args, fmt.Sprintf("-e%s=%s", name, value))
 		}
 	}
@@ -47,7 +47,7 @@ func (n *Runner) Run(f faas.Function) error {
 	if n.Verbose {
 		args = append(args, "-e VERBOSE=true")
 	}
-	args = append(args, f.ImageWithDigest())
+	args = append(args, f.Image)
 
 	// Set up the command with extra arguments and to run rooted at path
 	cmd := exec.Command("docker", args...)