From c825422ea1d2f97b04eae0fdd525a2ceb82ee8f1 Mon Sep 17 00:00:00 2001
From: Kyle Carberry <kyle@carberry.com>
Date: Fri, 30 Jun 2023 14:46:55 +0000
Subject: [PATCH] Add `DockerfileContent` to allow for an in-memory Dockerfile
 to be consumed

---
 pkg/config/options.go        |  1 +
 pkg/dockerfile/dockerfile.go | 21 +++++++++++++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/pkg/config/options.go b/pkg/config/options.go
index 20ec6174c4..5fa38776a8 100644
--- a/pkg/config/options.go
+++ b/pkg/config/options.go
@@ -53,6 +53,7 @@ type KanikoOptions struct {
 	Git                      KanikoGitOptions
 	IgnorePaths              multiArg
 	DockerfilePath           string
+	DockerfileContent        string
 	SrcContext               string
 	SnapshotMode             string
 	SnapshotModeDeprecated   string
diff --git a/pkg/dockerfile/dockerfile.go b/pkg/dockerfile/dockerfile.go
index 6b317d3443..f31802d487 100644
--- a/pkg/dockerfile/dockerfile.go
+++ b/pkg/dockerfile/dockerfile.go
@@ -38,16 +38,21 @@ import (
 func ParseStages(opts *config.KanikoOptions) ([]instructions.Stage, []instructions.ArgCommand, error) {
 	var err error
 	var d []uint8
-	match, _ := regexp.MatchString("^https?://", opts.DockerfilePath)
-	if match {
-		response, e := http.Get(opts.DockerfilePath) //nolint:noctx
-		if e != nil {
-			return nil, nil, e
-		}
-		d, err = ioutil.ReadAll(response.Body)
+	if opts.DockerfileContent != "" {
+		d = []uint8(opts.DockerfileContent)
 	} else {
-		d, err = ioutil.ReadFile(opts.DockerfilePath)
+		match, _ := regexp.MatchString("^https?://", opts.DockerfilePath)
+		if match {
+			response, e := http.Get(opts.DockerfilePath) //nolint:noctx
+			if e != nil {
+				return nil, nil, e
+			}
+			d, err = ioutil.ReadAll(response.Body)
+		} else {
+			d, err = ioutil.ReadFile(opts.DockerfilePath)
+		}
 	}
+	
 
 	if err != nil {
 		return nil, nil, errors.Wrap(err, fmt.Sprintf("reading dockerfile at path %s", opts.DockerfilePath))