Build a simple container image

.gitlab-ci.yml

+include: "https://git.autistici.org/ai3/build-container/raw/master/common.yml"
+

Dockerfile

+FROM golang:1.17.2 as build
+ADD . /src
+RUN cd /src && go build -tags netgo -o gitlab-review-float-env-dashboard ./main.go && strip gitlab-review-float-env-dashboard
+
+FROM scratch
+COPY --from=build /src/gitlab-review-float-env-dashboard /gitlab-review-float-env-dashboard
+CMD ["/gitlab-review-float-env-dashboard"]