use kaniko to build container images

.drone.yml

@@ -19,22 +19,18 @@ steps:
   - pip3 install -r requirements.txt
   - echo -e 'pytest test.py'
 
-- name: build
-  image: docker:stable-dind
-  volumes:
-  - name: dockersock
-    path: /var/run
-  environment:
-      DOCKER_USERNAME:
-        from_secret: DOCKER_USERNAME
-      DOCKER_PASSWORD:
-        from_secret: DOCKER_PASSWORD
-  commands:
-  - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
-  - docker build -t="$DOCKER_USERNAME/producer" .
-  - docker build -t="$DOCKER_USERNAME/producer:$DRONE_BUILD_NUMBER" .
-  - docker push "$DOCKER_USERNAME/producer"
-  - docker push "$DOCKER_USERNAME/producer:$DRONE_BUILD_NUMBER"
+- name: build-app
+  image: banzaicloud/drone-kaniko
+  settings:
+    registry: registry.kmlabz.com
+    repo: goldenpogacsa/${DRONE_REPO_NAME}
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    tags:
+      - latest
+      - ${DRONE_BUILD_NUMBER}
   
 - name: make_docs
   image: python:3.8
@@ -44,23 +40,19 @@ steps:
   - cd docs
   - make html
 
-- name: build_docs
-  image: docker:stable-dind
-  volumes:
-    - name: dockersock
-      path: /var/run
-  environment:
-    DOCKER_USERNAME:
+- name: build-docs
+  image: banzaicloud/drone-kaniko
+  settings:
+    dockerfile: docs/Dockerfile
+    registry: registry.kmlabz.com
+    repo: goldenpogacsa/consumer-api-docs
+    username:
       from_secret: DOCKER_USERNAME
-    DOCKER_PASSWORD:
+    password:
       from_secret: DOCKER_PASSWORD
-  commands:
-    - cd docs
-    - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
-    - docker build -t="$DOCKER_USERNAME/producer-docs" .
-    - docker build -t="$DOCKER_USERNAME/producer-docs:$DRONE_BUILD_NUMBER" .
-    - docker push "$DOCKER_USERNAME/producer-docs"
-    - docker push "$DOCKER_USERNAME/producer-docs:$DRONE_BUILD_NUMBER"
+    tags:
+      - latest
+      - ${DRONE_BUILD_NUMBER}
 
 - name: slack
   image: plugins/slack
@@ -71,15 +63,3 @@ steps:
     icon_url: https://cloudcdn.tormakristof.eu/static/drone.svg
   when:
     status: [ failure ]
-
-services:
-- name: docker
-  image: docker:stable-dind
-  privileged: true
-  volumes:
-  - name: dockersock
-    path: /var/run
-
-volumes:
-- name: dockersock
-  temp: {}