feat: permanently remove buildpacks

CONTRIBUTING.md

@@ -1,8 +1,9 @@
 # Contributing
 
-By participating to this project, you agree to abide our [code of conduct](https://github.com/goreleaser/.github/blob/main/CODE_OF_CONDUCT.md).
+By participating in this project, you agree to abide our
+[code of conduct](https://github.com/goreleaser/.github/blob/main/CODE_OF_CONDUCT.md).
 
-## Setup your machine
+## Set up your machine
 
 `goreleaser` is written in [Go](https://golang.org/).
 
@@ -13,7 +14,6 @@ Prerequisites:
 
 Other things you might need to run the tests:
 
-- [Buildpacks](https://buildpacks.io/)
 - [cosign](https://github.com/sigstore/cosign)
 - [Docker](https://www.docker.com/)
 - [GPG](https://gnupg.org)

internal/pipe/docker/api_docker.go

@@ -13,7 +13,6 @@ func init() {
 	registerImager(useBuildx, dockerImager{
 		buildx: true,
 	})
-	registerImager(useBuildPacks, buildPackImager{})
 }
 
 type dockerManifester struct{}

internal/pipe/docker/docker.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/caarlos0/log"
 	"github.com/goreleaser/goreleaser/internal/artifact"
-	"github.com/goreleaser/goreleaser/internal/deprecate"
 	"github.com/goreleaser/goreleaser/internal/gio"
 	"github.com/goreleaser/goreleaser/internal/ids"
 	"github.com/goreleaser/goreleaser/internal/pipe"
@@ -22,9 +21,8 @@ import (
 const (
 	dockerConfigExtra = "DockerConfig"
 
-	useBuildx     = "buildx"
-	useDocker     = "docker"
-	useBuildPacks = "buildpacks" // deprecated: should not be used anymore
+	useBuildx = "buildx"
+	useDocker = "docker"
 )
 
 // Pipe for docker.
@@ -54,9 +52,6 @@ func (Pipe) Default(ctx *context.Context) error {
 		if docker.Dockerfile == "" {
 			docker.Dockerfile = "Dockerfile"
 		}
-		if docker.Use == useBuildPacks {
-			deprecate.Notice(ctx, "dockers.use: buildpacks")
-		}
 		if docker.Use == "" {
 			docker.Use = useDocker
 		}
@@ -159,15 +154,6 @@ func process(ctx *context.Context, docker config.Docker, artifacts []*artifact.A
 	log := log.WithField("image", images[0])
 	log.Debug("tempdir: " + tmp)
 
-	if docker.Use != useBuildPacks {
-		dockerfile, err := tmpl.New(ctx).Apply(docker.Dockerfile)
-		if err != nil {
-			return err
-		}
-		if err := gio.Copy(dockerfile, filepath.Join(tmp, "Dockerfile")); err != nil {
-			return fmt.Errorf("failed to copy dockerfile: %w", err)
-		}
-	}
 	for _, file := range docker.Files {
 		if err := os.MkdirAll(filepath.Join(tmp, filepath.Dir(file)), 0o755); err != nil {
 			return fmt.Errorf("failed to copy extra file '%s': %w", file, err)

internal/pipe/docker/docker_test.go

@@ -982,9 +982,6 @@ func TestRunPipe(t *testing.T) {
 
 	for name, docker := range table {
 		for imager := range imagers {
-			if imager == useBuildPacks {
-				continue // deprecated
-			}
 			t.Run(name+" on "+imager, func(t *testing.T) {
 				folder := t.TempDir()
 				dist := filepath.Join(folder, "dist")

www/docs/contributing.md

@@ -1,8 +1,9 @@
 # Contributing
 
-By participating to this project, you agree to abide our [code of conduct](https://github.com/goreleaser/.github/blob/main/CODE_OF_CONDUCT.md).
+By participating in this project, you agree to abide our
+[code of conduct](https://github.com/goreleaser/.github/blob/main/CODE_OF_CONDUCT.md).
 
-## Setup your machine
+## Set up your machine
 
 `goreleaser` is written in [Go](https://golang.org/).
 
@@ -13,7 +14,6 @@ Prerequisites:
 
 Other things you might need to run the tests:
 
-- [Buildpacks](https://buildpacks.io/)
 - [cosign](https://github.com/sigstore/cosign)
 - [Docker](https://www.docker.com/)
 - [GPG](https://gnupg.org)

www/docs/deprecations.md

@@ -54,17 +54,6 @@ nFPM will soon make mandatory setting the maintainer field.
     - maintainer: 'Name <email>'
     ```
 
-
-
-### dockers.use: buildpacks
-
-> since 2022-03-16 (v1.7.0)
-
-This will be removed soon due to some issues:
-
-- The binary gets rebuild again during the buildpacks build;
-- There is no ARM support.
-
 ### variables
 
 > since 2022-01-20 (v1.4.0)
@@ -91,6 +80,15 @@ On [GoReleaser PRO](/pro/) custom variables should now be prefixed with `.Var`.
 
 The following options were deprecated in the past and were already removed.
 
+### dockers.use: buildpacks
+
+> since 2022-03-16 (v1.7.0), removed 2022-09-28 (v1.12.0)
+
+This was removed due to some issues:
+
+- The binary gets rebuild again during the buildpacks build;
+- There is no ARM support.
+
 ### rigs
 
 > since 2022-03-21 (v1.8.0), removed 2022-08-16 (v1.11.0)