Update to go 1.19

.github/workflows/main.yml

@@ -16,7 +16,7 @@ env:
   # go needs absolute directories, using the $HOME variable doesn't work here.
   GOCACHE: /home/runner/work/go/pkg/build
   GOPATH: /home/runner/work/go
-  GO_VERSION: 1.18.4
+  GO_VERSION: 1.19.13
 
 jobs:
   ########################

Dockerfile

@@ -1,4 +1,8 @@
-FROM golang:1.18-alpine as builder
+# If you change this value, please change it in the following files as well:
+# /Dockerfile
+# /tools/Dockerfile
+# /.github/workflows/main.yml
+FROM golang:1.19.13-alpine3.18 as builder
 
 # Install build dependencies such as git and glide.
 RUN apk add --no-cache git gcc musl-dev
@@ -14,7 +18,7 @@ COPY . /go/src/github.com/lightninglabs/lndmon/
 RUN cd /go/src/github.com/lightninglabs/lndmon/cmd/lndmon && go build
 
 # Start a new image
-FROM alpine as final
+FROM alpine:3.19 as final
 
 COPY --from=builder /go/src/github.com/lightninglabs/lndmon/cmd/lndmon/lndmon /bin/
 

go.mod

@@ -1,5 +1,7 @@
 module github.com/lightninglabs/lndmon
 
+go 1.19
+
 require (
 	github.com/btcsuite/btcd/btcutil v1.1.3
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
@@ -153,5 +155,3 @@ require (
 	modernc.org/token v1.0.1 // indirect
 	sigs.k8s.io/yaml v1.2.0 // indirect
 )
-
-go 1.19

tools/Dockerfile

@@ -1,4 +1,8 @@
-FROM golang:1.18-buster
+# If you change this value, please change it in the following files as well:
+# /Dockerfile
+# /tools/Dockerfile
+# /.github/workflows/main.yml
+FROM golang:1.19.13-bookworm
 
 RUN apt-get update && apt-get install -y git
 ENV GOCACHE=/tmp/build/.cache

tools/go.mod

@@ -1,6 +1,6 @@
 module github.com/lightninglabs/lndmon/tools
 
-go 1.18
+go 1.19
 
 require (
 	github.com/golangci/golangci-lint v1.46.2