feat: add kaniko build to the pipeline

commit b790ccc27ab7977dba5964b85a5d4d5d1663ae23
Author: surtur <a_mirre@utb.cz>
Date:   Wed Dec 2 01:47:02 2020 +0100

    fix: missing literal 'branch/' in the URL path

commit 7feab3483f0be7008165949c358fc52c6bc9f4a7
Author: surtur <a_mirre@utb.cz>
Date:   Wed Dec 2 01:06:12 2020 +0100

    fix: grab missing Dockerfile before build attempt

    * since path of the Dockerfile was not the issue, revert the change of 5533ed0f6e

commit 5533ed0f6e78a689c6902fd9d60ff69b37818acc
Author: surtur <a_mirre@utb.cz>
Date:   Wed Dec 2 00:52:56 2020 +0100

    fix: kaniko missing Dockerfile in path

commit ec28ddb6486635662e3f323b03782c054a84342c
Author: surtur <a_mirre@utb.cz>
Date:   Wed Dec 2 00:49:17 2020 +0100

    chore: build image with kaniko on push

.drone.yml

@@ -20,6 +20,22 @@ steps:
     - curl -sO https://git.dotya.ml/wanderer/docker-fedora-hugo/raw/branch/master/curl.it
     - bash ./curl.it $ENDPOINT
 
+- name: grab Dockerfile
+  pull: always
+  image: bash:latest
+  commands:
+  - apk add --no-cache curl
+  - curl -sO https://git.dotya.ml/${DRONE_REPO}/raw/branch/${DRONE_COMMIT_BRANCH}/Dockerfile
+
+- name: kaniko build
+  pull: always
+  image: banzaicloud/drone-kaniko
+  depends_on:
+    - "grab Dockerfile"
+  settings:
+    dockerfile: Dockerfile
+    context: .
+
 
 ---
 kind: pipeline