*: more hackdoc updates

Change-Id: Ib9830c66fe36c423d38f447905c470b67cde5399
diff --git a/devtools/hackdoc/BUILD.bazel b/devtools/hackdoc/BUILD.bazel
index 3988dfe..5536760 100644
--- a/devtools/hackdoc/BUILD.bazel
+++ b/devtools/hackdoc/BUILD.bazel
@@ -1,3 +1,4 @@
+load("@io_bazel_rules_docker//container:container.bzl", "container_image", "container_layer", "container_push")
 load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
 
 go_library(
@@ -15,6 +16,7 @@
         "//devtools/hackdoc/source:go_default_library",
         "//go/mirko:go_default_library",
         "//go/pki:go_default_library",
+        "@com_github_gabriel_vasile_mimetype//:go_default_library",
         "@com_github_golang_glog//:go_default_library",
         "@in_gopkg_russross_blackfriday_v2//:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
@@ -26,3 +28,28 @@
     embed = [":go_default_library"],
     visibility = ["//visibility:public"],
 )
+
+container_layer(
+    name = "layer_bin",
+    files = [
+        ":hackdoc",
+    ],
+    directory = "/devtools/",
+)
+
+container_image(
+    name = "runtime",
+    base = "@prodimage-bionic//image",
+    layers = [
+        ":layer_bin",
+    ],
+)
+
+container_push(
+    name = "push",
+    image = ":runtime",
+    format = "Docker",
+    registry = "registry.k0.hswaw.net",
+    repository = "devtools/hackdoc",
+    tag = "{BUILD_TIMESTAMP}-{STABLE_GIT_COMMIT}",
+)