feat: support falling back when the image cannot be found

envbuilder.go

@@ -393,13 +393,17 @@ func Run(ctx context.Context, options Options) error {
  case strings.Contains(err.Error(), "error building stage"):
  fallback = true
  fallbackErr = err
+ // This occurs when the image cannot be found!
+ case strings.Contains(err.Error(), "authentication required"):
+ fallback = true
+ fallbackErr = err
  case strings.Contains(err.Error(), "unexpected status code 401 Unauthorized"):
  logf(codersdk.LogLevelError, "Unable to pull the provided image. Ensure your registry credentials are correct!")
  }
  if !fallback {
  return err
  }
- logf(codersdk.LogLevelError, "Failed to build with the provided context: %s", err)
+ logf(codersdk.LogLevelError, "Failed to build: %s", err)
  logf(codersdk.LogLevelError, "Falling back to the default image...")
  err = defaultBuildParams()
  if err != nil {