Ensure that the pusher binary is not built for the target platform

Signed-off-by: Dom Del Nano <ddelnano@gmail.com>

Author: ddelnano

bazel/external/rules_docker_pusher_cfg.patch

@@ -0,0 +1,26 @@
+diff --git a/container/push.bzl b/container/push.bzl
+index baef9c2..942741d 100644
+--- a/container/push.bzl
++++ b/container/push.bzl
+@@ -205,7 +205,7 @@ container_push_ = rule(
+         ),
+         "_pusher": attr.label(
+             default = "//container/go/cmd/pusher",
+-            cfg = "target",
++            cfg = "host",
+             executable = True,
+             allow_files = True,
+         ),
+diff --git a/contrib/push-all.bzl b/contrib/push-all.bzl
+index c7e7f72..fd6518b 100644
+--- a/contrib/push-all.bzl
++++ b/contrib/push-all.bzl
+@@ -126,7 +126,7 @@ container_push = rule(
+         ),
+         "_pusher": attr.label(
+             default = Label("//container/go/cmd/pusher"),
+-            cfg = "target",
++            cfg = "host",
+             executable = True,
+             allow_files = True,
+         ),

bazel/repositories.bzl

@@ -253,7 +253,7 @@ def _pl_deps():
     _bazel_repo("rules_foreign_cc")
     _bazel_repo("io_bazel_rules_k8s")
     _bazel_repo("io_bazel_rules_closure")
-    _bazel_repo("io_bazel_rules_docker", patches = ["//bazel/external:rules_docker.patch", "//bazel/external:rules_docker_arch.patch"], patch_args = ["-p1"])
+    _bazel_repo("io_bazel_rules_docker", patches = ["//bazel/external:rules_docker.patch", "//bazel/external:rules_docker_arch.patch", "//bazel/external:rules_docker_pusher_cfg.patch"], patch_args = ["-p1"])
     _bazel_repo("rules_python")
     _bazel_repo("rules_pkg")
     _bazel_repo("com_github_bazelbuild_buildtools")