bump go to 1.12.8

README.md

@@ -27,7 +27,7 @@ kind bootstraps each "node" with [kubeadm][kubeadm]. For more details see [the d
 
 You can install kind with `GO111MODULE="on" go get sigs.k8s.io/kind@v0.4.0`.
 
-**NOTE**: please use the latest go to do this, ideally go 1.12.7 or greater.
+**NOTE**: please use the latest go to do this, ideally go 1.12.8 or greater.
 
 This will put `kind` in `$(go env GOPATH)/bin`. If you encounter the error
 `kind: command not found` after installation then you may need to either add that directory to your `$PATH` as

hack/build/go_container.sh

@@ -31,7 +31,7 @@ SOURCE_DIR="${SOURCE_DIR:-${REPO_ROOT}}"
 # this helps make our build more reproducible and reliable
 GOPROXY="${GOPROXY:-https://proxy.golang.org}"
 # the container image, by default a recent official golang image
-GOIMAGE="${GOIMAGE:-golang:1.12.7}"
+GOIMAGE="${GOIMAGE:-golang:1.12.8}"
 # ========================== END SCRIPT SETTINGS ===============================
 
 # autodetects and host GOOS and GOARCH and sets them if not set

site/content/docs/contributing/getting-started.md

@@ -51,7 +51,7 @@ You can check if Go is in your system with the following command:
 go version
 ```
 
-Preferably Go `1.12.7` or greater should be installed. 
+Preferably Go `1.12.8` or greater should be installed. 
 
 Correct automatic formatting of the source with `gofmt` requires at least
 `1.11.0`.

site/content/docs/user/quick-start.md

@@ -17,7 +17,7 @@ This guide covers getting started with the `kind` command.
 You can either install kind with `GO111MODULE="on" go get sigs.k8s.io/kind@v0.4.0` or clone this repo 
 and run `make build` from the repository.
 
-**NOTE**: please use the latest Go to do this, ideally go 1.12.7 or greater.
+**NOTE**: please use the latest Go to do this, ideally go 1.12.8 or greater.
 A version of Go officially [supported upstream][go-supported] by the Go project must be used.
 
 This will put `kind` in `$(go env GOPATH)/bin`. You may need to add that directory to your `$PATH` as