chore: optimize build artifacts and update copyright

- Add post hook to compress build artifacts using xz
- Include compressed artifacts in the release and checksums
- Update copyright dynamically with the current year

Signed-off-by: appleboy <appleboy.tw@gmail.com>

.goreleaser.yaml

@@ -71,6 +71,10 @@ builds:
     {{- else }}{{ .Arch }}{{ end }}
     {{- if .Arm }}-{{ .Arm }}{{ end }}
   no_unique_dist_dir: true
+  hooks:
+    post:
+      - cmd: xz -k -9 {{ .Path }}
+        dir: ./dist/
 
 archives:
   - format: binary
@@ -79,6 +83,17 @@ archives:
 
 checksum:
   name_template: 'checksums.txt'
+  extra_files:
+      - glob: ./**.xz
 
 snapshot:
   name_template: "{{ incpatch .Version }}"
+
+release:
+  # You can add extra pre-existing files to the release.
+  # The filename on the release will be the last part of the path (base).
+  # If another file with the same name exists, the last one found will be used.
+  #
+  # Templates: allowed
+  extra_files:
+    - glob: ./**.xz

main.go

@@ -3,6 +3,8 @@ package main
 import (
 	"log"
 	"os"
+	"strconv"
+	"time"
 
 	"github.com/joho/godotenv"
 	_ "github.com/joho/godotenv/autoload"
@@ -23,7 +25,7 @@ func main() {
 	app := cli.NewApp()
 	app.Name = "Drone Lambda"
 	app.Usage = "Deploying Lambda code with drone CI to an existing function"
-	app.Copyright = "Copyright (c) 2020 Bo-Yi Wu"
+	app.Copyright = "Copyright (c) " + strconv.Itoa(time.Now().Year()) + " Bo-Yi Wu"
 	app.Authors = []*cli.Author{
 		{
 			Name:  "Bo-Yi Wu",