got it to build

.drone.yml

@@ -15,25 +15,8 @@ steps:
   commands:
     - apk add make go tar curl git
     - make build publish
-  when:
-    branch:
-    - master
 
 
-steps:
-- name: docker build
-  image: docker:dind
-  volumes:
-  - name: dockersock
-    path: /var/run/docker.sock
-  commands:
-    - apk add make go tar curl git
-    - make build
-  when:
-    branch:
-      exclude:
-      - master
-
 volumes:
 - name: dockersock
   host:

makefile

@@ -14,6 +14,11 @@ build:
 
 publish: clean build
 	docker push vdhsn/blog:${VERSION}
+	if [ '$(VERSION)' = 'master' ]; then
+		@echo 'master build detected'
+		docker tag vdhsn/blog:${VERSION} vdhsn/blog:latest
+		docker push vdhsn/blog:latest
+	fi
 
 test-publish: build
 	docker run -it -p 8080:80 vdhsn/blog:${VERSION}