build

aedeploy gcloud alpha container builds create --config cloudbuild.yaml .

cloudbuild.yaml

steps:
- name: gcr.io/cloud-builders/go
  args: ['build', '-o', 'app']
  env:
  - 'GOPATH=_gopath'
- name: gcr.io/cloud-builders/dockerizer
  args: ['gcr.io/$PROJECT_ID/simple-app']

images: ['gcr.io/$PROJECT_ID/simple-app']

Dockerfile

FROM alpine
RUN apk add --update ca-certificates
COPY app /app
ENTRYPOINT /app