Drone CI.

.drone.yml

@@ -0,0 +1,25 @@
+---
+kind: pipeline
+type: docker
+name: build
+
+steps:
+  - name: lint
+    image: golangci/golangci-lint:v1.43.0
+    environment:
+      GOFLAGS: -mod=vendor
+      CGO_ENABLED: 0
+    commands:
+      - golangci-lint run
+
+  - name: docker
+    image: plugins/docker
+    when:
+      branch: master
+    settings:
+      username:
+        from_secret: dockerhub_user
+      password:
+        from_secret: dockerhub_password
+      repo: pztrn/periodicator
+      auto_tag: true