added wip drone kaniko build template

drone/BuildImageWithKaniko.yml

@@ -0,0 +1,61 @@
+
+.BuildImageWithKaniko: &BuildImageWithKaniko
+  name: BuildImageWithKaniko
+  image: gcr.io/kaniko-project/executor:debug
+  
+  environment:
+    KANIKO_ARGS: ""
+    TAG_COMMIT_ENABLE: "true"
+    TAG_COMMIT_PREFIX: "commit-"
+    TAG_REF_SLUG_ENABLE: "false"
+    TAG_REF_NORMALIZED_ENABLE: "true"
+    DOCKERFILE: "$CI_PROJECT_DIR/Dockerfile"
+    CONTEXT_DIR: "$CI_PROJECT_DIR"
+    ADDITIONAL_REGISTRY_DESTINATIONS: ""
+    ADD_GITEA_REGISTRY_AUTH: "true"
+
+  commands:
+    # add gitlab registry auth
+    - |
+      if [[ "$ADD_GITEA_REGISTRY_AUTH" == "true" ]]; then
+        mkdir -p /kaniko/.docker
+        echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$(echo -n $CI_REGISTRY_USER:${CI_REGISTRY_PASSWORD} | base64)\"}}}" > /kaniko/.docker/config.json
+      fi
+
+    - IMAGE_DESTS=""
+
+    # default tag based on commit
+    - |
+      if [[ "$TAG_COMMIT_ENABLE" == "true" ]]; then
+        IMAGE_DESTS="$IMAGE_DESTS --destination $CI_REGISTRY_IMAGE:${TAG_COMMIT_PREFIX}${CI_COMMIT_SHA}"
+      fi
+
+    # add tag for reference if available using slug
+    - |
+      if [[ "$TAG_REF_SLUG_ENABLE" == "true" ]] && [[ ! -z $CI_COMMIT_REF_NAME ]]; then
+        IMAGE_DESTS="$IMAGE_DESTS --destination $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG"
+      fi
+
+    # add tag for reference if available using normalization
+    - |
+      if [[ "$TAG_REF_NORMALIZED_ENABLE" == "true" ]] && [[ ! -z $CI_COMMIT_REF_NAME ]]; then
+        REF_TAG_NORMALIZED=$(echo $CI_COMMIT_REF_NAME | sed s:/:-:g)
+        IMAGE_DESTS="$IMAGE_DESTS --destination $CI_REGISTRY_IMAGE:$REF_TAG_NORMALIZED"
+      fi
+    
+    - |
+      if [[ -z "$KANIKO_ARGS" ]]; then
+        KANIKO_ARGS=""
+      fi
+      KANIKO_ARGS="$KANIKO_ARGS --context $CONTEXT_DIR --dockerfile $DOCKERFILE"
+
+      if [[ "KANIKO_SINGLE_SNAPSHOT" ]]; then
+        KANIKO_ARGS="$KANIKO_ARGS --single-snapshot"
+      fi
+
+    # build image
+    - |
+      echo "kaniko args: $KANIKO_ARGS"
+      echo "pushing to destinations: $IMAGE_DESTS"
+      echo "pushing to additional destinations: $ADDITIONAL_REGISTRY_DESTINATIONS"
+      /kaniko/executor $KANIKO_ARGS $IMAGE_DESTS $ADDITIONAL_REGISTRY_DESTINATIONS