increase complexity?

.drone.yml

@@ -12,10 +12,10 @@ pipeline:
     commands:
       - go get
       - go build
+  docker:
+    image: docker:latest
+    commands:
+      - docker build -t deadbeef.codes:5000/mandelmapper:latest .
+      - docker push deadbeef.codes:5000/mandelmapper:latest
 
-  publish:
-    image: plugins/docker
-    repo: deadbeef.codes:5001/steven/mandelmap
-    registry: deadbeef.codes:5001
-#    auto_tag: true
-#    auto_tag_suffix: linux-rpi3
+  

Dockerfile

@@ -1,4 +1,8 @@
+FROM golang:latest
+WORKDIR /go/src/deadbeef.codes/steven/mandelmapper
+RUN GOOS=linux GOARCH=arm GOARM=7 go build
+
 FROM resin/raspberrypi3-alpine
-COPY mandelmapper /usr/bin
+COPY --from=0 mandelmapper /usr/bin
 EXPOSE 6161:6161
 CMD mandelmapper