ci: add 'test-build' pipeline

.drone.yml

@@ -1,3 +1,49 @@
+---
+kind: pipeline
+type: docker
+name: test-build
+
+steps:
+  - name: build
+    image: golang:1.17.7
+    pull: always
+    commands:
+      - go test ./...
+      - sh scripts/build.sh
+
+  - name: kaniko-build
+    image: immawanderer/drone-kaniko:linux-amd64
+    pull: always
+    settings:
+      dockerfile: docker/docker/Dockerfile.linux.amd64
+      context: .
+      no_push: true
+    when:
+      event:
+        exclude: [cron]
+
+  - name: docker-build
+    image: plugins/docker
+    pull: always
+    settings:
+      repo: immawanderer/drone-kaniko
+      tags:
+        - linux-amd64
+        - ${DRONE_COMMIT_SHA:0:8}
+      daemon_off: false
+      dockerfile: docker/docker/Dockerfile.linux.amd64
+      dry_run: true
+    when:
+      event:
+        exclude: [cron]
+      status: [success, failure]
+
+trigger:
+  ref:
+    - "refs/heads/feature-**"
+    - "refs/pull/**"
+    - "refs/tags/**"
+
 ---
 kind: pipeline
 type: docker

docker/docker/Dockerfile.linux.amd64

@@ -1,4 +1,4 @@
 FROM gcr.io/kaniko-project/executor:v1.8.0-debug
 
-ADD release/linux/amd64/kaniko-docker /kaniko/
+COPY release/linux/amd64/kaniko-docker /kaniko/
 ENTRYPOINT ["/kaniko/kaniko-docker"]