bump version of go to 1.19

Dockerfile

@@ -1,6 +1,6 @@
 
 #build stage
-FROM golang:1.17-alpine AS builder
+FROM golang:1.19-alpine AS builder
 
 RUN apk update
 RUN apk add --no-cache make

Makefile

@@ -21,7 +21,7 @@ GIT_SHA=$$(git rev-parse HEAD)
 BUILD_DATE_VAR := github.com/openservicemesh/osm/pkg/version.BuildDate
 BUILD_VERSION_VAR := github.com/openservicemesh/osm/pkg/version.Version
 BUILD_GITCOMMIT_VAR := github.com/openservicemesh/osm/pkg/version.GitCommit
-DOCKER_GO_VERSION = 1.17
+DOCKER_GO_VERSION = 1.19
 DOCKER_BUILDX_PLATFORM ?= linux/$(shell go env GOARCH)
 # Value for the --output flag on docker buildx build.
 # https://docs.docker.com/engine/reference/commandline/buildx_build/#output

demo/README.md

@@ -3,7 +3,7 @@
 ## System Requirements
 - MacOS, Linux or WSL2 on Windows
 - GCC
-- Go version [1.17.0 or higher](https://github.com/openservicemesh/osm/issues/2363)
+- Go version [1.19.0 or higher](https://github.com/openservicemesh/osm/issues/2363)
 - Kubectl version 1.15 or higher
 - Docker CLI
    - on a Debian based GNU/Linux system: `sudo apt-get install docker`

docs/development_guide/README.md

@@ -84,7 +84,7 @@ OSM leverages [Envoy proxy](https://github.com/envoyproxy/envoy) as a data plane
 
 ## Get Go-ing
 
-This Open Service Mesh project uses [Go v1.17.0+](https://golang.org/). If you are not familiar with Go, spend some time with the excellent [Tour of Go](https://tour.golang.org/).
+This Open Service Mesh project uses [Go v1.19.0+](https://golang.org/). If you are not familiar with Go, spend some time with the excellent [Tour of Go](https://tour.golang.org/).
 
 ## Get the dependencies
 

go.mod

@@ -1,6 +1,6 @@
 module github.com/openservicemesh/osm
 
-go 1.17
+go 1.19
 
 require (
 	github.com/AlekSi/gocov-xml v0.0.0-20190121064608-3a14fb1c4737