Add Dockerfile for building

.drone.yml

@@ -9,3 +9,9 @@ pipeline:
       - go get ./...
       - go test
       - go vet
+
+  publish:
+    image: plugins/docker
+    repo: registry.stuifzandapp.com/track-me
+    registry: registry.stuifzandapp.com
+    secrets: [ docker_username, docker_password ]

Dockerfile

@@ -1,8 +1,15 @@
-FROM alpine
+# build stage
+FROM golang:1.12-alpine3.9 AS build-env
+RUN apk --no-cache add git
+WORKDIR /go/src/p83.nl/go/track-me
+ADD . /go/src/p83.nl/go/track-me
+RUN go get && go build
+
+FROM alpine:3.9
 RUN addgroup -S app && adduser -S -G app app 
 RUN apk add --update ca-certificates 
 WORKDIR /data
 RUN ["chown", "app:app", "/data"]
-COPY track-me /app/
+COPY --from=build-env /go/bin/track-me /app/
 USER app
-CMD ["/app/track-me"]
+ENTRYPOINT ["/app/track-me"]