Move to Go 1.17 for templates

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

template/golang-http/Dockerfile

@@ -1,5 +1,5 @@
 FROM --platform=${TARGETPLATFORM:-linux/amd64} ghcr.io/openfaas/of-watchdog:0.9.3 as watchdog
-FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.16-alpine3.14 as build
+FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.17-alpine3.15 as build
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM

template/golang-http/template.yml

@@ -1,12 +1,14 @@
 language: golang-http
 fprocess: ./handler
 welcome_message: |
-  You have created a new function which uses Go 1.16.
+  You have created a new function which uses Go 1.17 and Alpine
+  Linux as its base image.
 
   To disable the go module, for private vendor code, please use
   "--build-arg GO111MODULE=off" with faas-cli build or configure this
   via your stack.yml file.
 
   See more: https://docs.openfaas.com/cli/templates/
-  For detailed examples:
+
+  For the template's repo and more examples:
   https://github.com/openfaas-incubator/golang-http-template

template/golang-middleware/Dockerfile

@@ -1,5 +1,5 @@
 FROM --platform=${TARGETPLATFORM:-linux/amd64} ghcr.io/openfaas/of-watchdog:0.9.3 as watchdog
-FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.16-alpine3.14 as build
+FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.17-alpine3.15 as build
 
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM

template/golang-middleware/template.yml

@@ -1,12 +1,14 @@
 language: golang-middleware
 fprocess: ./handler
 welcome_message: |
-  You have created a new function which uses Go 1.16.
+  You have created a new function which uses Go 1.17 and Alpine
+  Linux as its base image.
 
   To disable the go module, for private vendor code, please use
   "--build-arg GO111MODULE=off" with faas-cli build or configure this
   via your stack.yml file.
 
   See more: https://docs.openfaas.com/cli/templates/
-  For detailed examples:
+
+  For the template's repo and more examples:
   https://github.com/openfaas-incubator/golang-http-template