first version

.drone.yml

@@ -0,0 +1,19 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: build docker image
+    image: plugins/docker
+    environment:
+      DOCKER_BUILDKIT: '1'
+    settings:
+      purge: true
+      repo: otakukaze/golang-base-image
+      tags:
+        - "${DRONE_BRANCH}"
+    when:
+      ref:
+        - refs/heads/1-alpine
+

Dockerfile

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+ARG IMG_TAG=1-alpine
+FROM golang:${IMG_TAG}
+RUN apk add --no-cache git make gcc libc-dev \
+  && go get -u github.com/go-bindata/go-bindata/... \
+  && go get -u github.com/go-swagger/go-swagger/...