Disable GOPATH -- use newer go images

.drone.yml

@@ -7,9 +7,8 @@ workspace:
 
 steps:
   - name: testing
-    image: golang:1.12-alpine
+    image: golang:1.14-alpine
     environment:
-      GOPATH: /go
       CGO_ENABLED: 0
       GOOS: linux
       GOARCH: amd64

Dockerfile.alpine

@@ -1,11 +1,10 @@
 # build stage
-FROM golang:1.12.0-alpine3.7 AS build-env
+FROM golang:1.14-alpine AS build-env
 RUN apk --no-cache add git
-ENV CGO_ENABLED=0
-RUN go get p83.nl/go/ekster/...
+RUN CGO_ENABLED=0 go get -a -ldflags '-extldflags "-static"' p83.nl/go/ekster/...
 
 # final stage
-FROM alpine:3.7
+FROM alpine
 RUN apk --no-cache add ca-certificates
 RUN ["mkdir", "-p", "/opt/micropub"]
 WORKDIR /opt/micropub