Upgrade Caddy dependency and Go version

Author: pteich

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS builder
+FROM golang:1.18 AS builder
 
 WORKDIR /workspace
 RUN echo 'package main\n\
@@ -11,7 +11,7 @@ func main() {\n\
 caddycmd.Main()\n\
 }' > main.go && \
           go env -w GOPROXY="https://goproxy.io,direct" && \
-          go mod init caddy && go get github.com/caddyserver/caddy/v2@v2.4.6 && go get && \
+          go mod init caddy && go get github.com/caddyserver/caddy/v2@v2.5.0 && go get && \
           CGO_ENABLED=0 go build -trimpath -tags netgo -ldflags '-extldflags "-static" -s -w' -o /usr/bin/caddy
 
 

go.mod

@@ -1,25 +1,21 @@
 module github.com/pteich/caddy-tlsconsul
 
-go 1.15
+go 1.16
 
 require (
 	github.com/armon/go-metrics v0.3.10 // indirect
-	github.com/caddyserver/caddy/v2 v2.5.0-beta.1.0.20220325185629-b4f1a713978f
-	github.com/caddyserver/certmagic v0.16.0
+	github.com/caddyserver/caddy/v2 v2.5.0
+	github.com/caddyserver/certmagic v0.16.1
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/hashicorp/consul/api v1.12.0
-	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-hclog v1.0.0 // indirect
-	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
-	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/miekg/dns v1.1.47 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/pteich/errors v1.0.1
-	github.com/stretchr/testify v1.7.0
-	go.uber.org/atomic v1.9.0 // indirect
+	github.com/stretchr/testify v1.7.1
 	go.uber.org/multierr v1.8.0 // indirect
 	go.uber.org/zap v1.21.0
 	golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064 // indirect