don't explicitly tag base:latest or cc:latest in cloudbuild.yaml (Goo…

…gleContainerTools#287)

* don't explicitly latest base:latest or cc:latest in cloudbuild.yaml

* remove tagging static as latest as well

* add comment on why base, cc, and static are missing from cloudbuild.yaml

* remove static:latest from images list

BUILD

@@ -5,10 +5,7 @@ load("@io_bazel_rules_docker//container:container.bzl", "container_bundle")
 container_bundle(
     name = "all",
     images = {
-        "gcr.io/{PROJECT_ID}/go:latest": "//base:static",
-        "gcr.io/{PROJECT_ID}/base:latest": "//base:base",
         "gcr.io/{PROJECT_ID}/base:debug": "//base:debug",
-        "gcr.io/{PROJECT_ID}/cc:latest": "//cc",
         "gcr.io/{PROJECT_ID}/cc:debug": "//cc:debug",
         "gcr.io/{PROJECT_ID}/java:latest": "//java:java8",
         "gcr.io/{PROJECT_ID}/java:8": "//java:java8",

cloudbuild.yaml

@@ -1,24 +1,20 @@
 timeout: 1800s
-steps:  
+steps:
+
+# Publishing base, cc, and static as latest is handled in a separate release process
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//base:static']
-- name: gcr.io/cloud-builders/docker
-  args: ['tag', 'bazel/base:static', 'gcr.io/$PROJECT_ID/static:latest']
 
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//base:base']
-- name: gcr.io/cloud-builders/docker
-  args: ['tag', 'bazel/base:base', 'gcr.io/$PROJECT_ID/base:latest']
-
+
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//base:debug']
 - name: gcr.io/cloud-builders/docker
   args: ['tag', 'bazel/base:debug', 'gcr.io/$PROJECT_ID/base:debug']
 
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//cc']
-- name: gcr.io/cloud-builders/docker
-  args: ['tag', 'bazel/cc:cc', 'gcr.io/$PROJECT_ID/cc:latest']
 
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//cc:debug']
@@ -91,7 +87,7 @@ steps:
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//experimental/nodejs:debug']
 - name: gcr.io/cloud-builders/docker
-  args: ['tag', 'bazel/experimental/nodejs:debug', 'gcr.io/$PROJECT_ID/nodejs:debug']  
+  args: ['tag', 'bazel/experimental/nodejs:debug', 'gcr.io/$PROJECT_ID/nodejs:debug']
 
 - name: gcr.io/cloud-builders/bazel
   args: ['run', '//experimental/dotnet']
@@ -105,10 +101,7 @@ steps:
 
 
 images:
-  - 'gcr.io/$PROJECT_ID/static:latest'
-  - 'gcr.io/$PROJECT_ID/base:latest'
   - 'gcr.io/$PROJECT_ID/base:debug'
-  - 'gcr.io/$PROJECT_ID/cc:latest'
   - 'gcr.io/$PROJECT_ID/cc:debug'
   - 'gcr.io/$PROJECT_ID/java:latest'
   - 'gcr.io/$PROJECT_ID/java:8'