Use Go 1.19 (#23)

Signed-off-by: Tamal Saha <tamal@appscode.com>

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@v2
         with:
-          go-version: ^1.18
+          go-version: ^1.19
         id: go
 
       - name: Check out code into the Go module directory

Makefile

@@ -58,7 +58,7 @@ ARCH := $(if $(GOARCH),$(GOARCH),$(shell go env GOARCH))
 BASEIMAGE_PROD   ?= gcr.io/distroless/static-debian11
 BASEIMAGE_DBG    ?= debian:bullseye
 
-GO_VERSION       ?= 1.18
+GO_VERSION       ?= 1.19
 BUILD_IMAGE      ?= appscode/golang-dev:$(GO_VERSION)
 
 OUTBIN = bin/$(OS)_$(ARCH)/$(BIN)

schema_validator/doc.go

@@ -4,7 +4,7 @@
 /*
 `grpc_validator` a generic request contents schema_validator server-side middleware for gRPC.
 
-Request Validator Middleware
+# Request Validator Middleware
 
 Validating input is important, and hard. It also causes a lot of boiler plate. This middleware
 checks for the existance of a `Validate` method on each of the messages of a gRPC request. This
@@ -16,7 +16,6 @@ While it is generic, it was indented to be used with https://github.com/mwitkow/
 a Go protocol buffers codegen plugin that creates the `Validate` methods (including nested messages)
 based on declarative options in the `.proto` files themselves. For example:
 
-
 	syntax = "proto3";
 	package schema_validator.examples;
 	import "github.com/mwitkow/go-proto-validators/schema_validator.proto";

server/server.go

@@ -19,9 +19,9 @@ package server
 import (
 	"crypto/tls"
 	"crypto/x509"
-	"io/ioutil"
 	"net"
 	"net/http"
+	"os"
 	"strings"
 	"time"
 
@@ -149,7 +149,7 @@ func (s *Server) ServeHTTPS() {
 		NextProtos: []string{"h2", "http/1.1"},
 	}
 	if s.CACertFile != "" {
-		caCert, err := ioutil.ReadFile(s.CACertFile)
+		caCert, err := os.ReadFile(s.CACertFile)
 		if err != nil {
 			klog.Fatal(err)
 		}