Fixing docker build context for ci builds

cmd/ci_build.go

@@ -15,6 +15,9 @@
 package cmd
 
 import (
+	"fmt"
+	"strings"
+
 	"git.psu.edu/k8s/devtool/config"
 	"git.psu.edu/k8s/devtool/environment"
 	"github.com/fatih/color"
@@ -79,8 +82,14 @@ func buildCiDocker(config config.Config) error {
 		dockerImage := dockerRegistry + "/" + dockerRegistryNamespace + "/" + image
 		dockerTag := dockerImage + ":" + imageTag
 
+		dockerRootDir := "."
+		if idx := strings.LastIndex(dockerfile, "/"); idx != -1 {
+			dockerRootDir = dockerfile[:idx]
+			fmt.Println(dockerRootDir)
+		}
+
 		color.New(color.FgGreen).Printf("Building: %s\n", dockerTag)
-		err := environment.Run(true, "docker", "build", "-t", dockerTag, "-f", dockerfile, ".")
+		err := environment.Run(true, "docker", "build", "-t", dockerTag, "-f", dockerfile, dockerRootDir)
 		if err != nil {
 			return err
 		}