Add Dockerfile to build vendor-cli via goreleaser.

.goreleaser.yml

@@ -42,3 +42,10 @@ snapshot:
   name_template: SNAPSHOT-{{ .Commit }}
 build:
   hooks: {}
+dockers:
+  - dockerfile: deploy/Dockerfile
+    image_templates:
+      - "replicated/vendor-cli:latest"
+      - "replicated/vendor-cli:{{ .Major }}"
+      - "replicated/vendor-cli:{{ .Major }}.{{ .Minor }}"
+      - "replicated/vendor-cli:{{ .Major }}.{{ .Minor }}.{{ .Patch }}"

.travis.yml

@@ -10,5 +10,6 @@ script:
   - make docs # we care less about the generated docs than we do about the fact that the command is not broken
 after_success:
   - test -n "$TRAVIS_TAG" && make package_docker_docs
+  - test -n "$TRAVIS_TAG" && docker login -u="$DOCKERHUB_DOCKER_USER" -p="$DOCKERHUB_DOCKER_PASS"
   - test -n "$TRAVIS_TAG" && curl -sL https://git.io/goreleaser | bash
   - test -n "$TRAVIS_TAG" && make publish-pacts

deploy/Dockerfile

@@ -0,0 +1,7 @@
+FROM alpine:latest
+RUN apk add --no-cache ca-certificates curl git && update-ca-certificates
+COPY replicated /replicated
+ENV IN_CONTAINER 1
+LABEL "com.replicated.vendor_cli"="true"
+WORKDIR /out
+ENTRYPOINT [ "/replicated" ]