Merge pull request #39 from SgtCoDFish/bumpdocker

Bump docker version used in codebuild

Author: jetstack-bot

gcb/publish/cloudbuild.yaml

@@ -31,7 +31,7 @@ steps:
     CGO_ENABLED=0 go build -o /workspace/go/bin/cmrel ./cmd/cmrel
 
 ## Write DOCKER_CONFIG file to $HOME/.docker/config.json
-- name: gcr.io/cloud-builders/docker:18.09.6
+- name: gcr.io/cloud-builders/docker:19.03.8
   entrypoint: bash
   secretEnv:
   - DOCKER_CONFIG
@@ -42,7 +42,7 @@ steps:
     echo "$${DOCKER_CONFIG}" > $$HOME/.docker/config.json
 
 ## Build and push the release artifacts
-- name: gcr.io/cloud-builders/docker:18.09.6
+- name: gcr.io/cloud-builders/docker:19.03.8
   dir: "go/src/github.com/jetstack/cert-manager"
   entrypoint: /workspace/go/bin/cmrel
   secretEnv: