diff --git a/.gitignore b/.gitignore
index c236665..ce9a85f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,5 +7,9 @@
 # VSCode
 .vscode
 
+# Go
+coverage.out
+vendor
+
 # QMK
 dztech_dz60rgb_wkl_v2_1_haunt98.bin
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..f758fa3
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,93 @@
+run:
+  timeout: 5m
+  tests: false
+  skip-dirs:
+    - ".*test.*"
+    - ".*mock.*"
+    - ".*example.*"
+    - ".*utils.*"
+  skip-files:
+    - ".*Mock.*"
+    - ".*_mock.*"
+
+output:
+  sort-results: true
+
+linters:
+  disable-all: true
+  enable:
+    # Default
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - typecheck
+    - unused
+    # Custom
+    - errchkjson
+    - errname
+    - errorlint
+    - execinquery
+    - forcetypeassert
+    - gocritic
+    - goerr113
+    - gofumpt
+    - gosec
+    - importas
+    - makezero
+    - nilnil
+    - noctx
+    - prealloc
+    - reassign
+    # - rowserrcheck
+    - sqlclosecheck
+    - unconvert
+    # - wastedassign
+  fast: true
+
+linters-settings:
+  # Default
+  govet:
+    check-shadowing: false
+    disable-all: true
+    enable:
+      - assign
+      - atomic
+      - bools
+      - buildtag
+      - composites
+      - copylocks
+      - fieldalignment
+      - httpresponse
+      - loopclosure
+      - lostcancel
+      - nilfunc
+      - printf
+      - unmarshal
+      - unreachable
+      - unusedresult
+  staticcheck:
+    checks: ["all", "-SA1019"]
+  # Custom
+  gocritic:
+    disabled-checks:
+      - ifElseChain
+      - singleCaseSwitch
+      - unnamedResult
+      - whyNoLint
+    enabled-tags:
+      - diagnostic
+      - style
+  gosec:
+    excludes:
+      - G101
+      - G112
+      - G402
+      - G404
+      - G501
+      - G505
+    exclude-generated: true
+  reassign:
+    patterns:
+      - ".*"
diff --git a/Makefile b/Makefile
index 0b66eb8..c1340b5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: all format clean dztech_dz60rgb_wkl
+.PHONY: all format clean dztech_dz60rgb_wkl go
 
 all:
 	qmk setup
@@ -30,3 +30,13 @@ dztech_dz60rgb_wkl:
 	# Draw
 	curl https://raw.githubusercontent.com/qmk/qmk_firmware/master/keyboards/dztech/dz60rgb_wkl/info.json --output dztech_dz60rgb_wkl/info.json
 	QMK_INFO=dztech_dz60rgb_wkl/info.json QMK_KEYMAP=dztech_dz60rgb_wkl/keymaps_json/haunt98/keymap.json OUT=dztech_dz60rgb_wkl/asciiart/haunt98.txt POST_PROCESS_TABLE=true go run ./cmd/qmkasciigen/*.go
+
+# From changeloguru
+go:
+	go install github.com/haunt98/go-test-color@latest
+	go-test-color -race -failfast ./...
+	golangci-lint run ./...
+	go install github.com/haunt98/gofimports/cmd/gofimports@latest
+	go install mvdan.cc/gofumpt@latest
+	gofimports -w --company github.com/make-go-great,github.com/haunt98 .
+	gofumpt -w -extra .
diff --git a/cmd/qmkasciigen/draw.go b/cmd/qmkasciigen/draw.go
index 3b64c39..23575e6 100644
--- a/cmd/qmkasciigen/draw.go
+++ b/cmd/qmkasciigen/draw.go
@@ -125,11 +125,9 @@ func Draw(
 				// Process keyStr
 				if newKeyStr, ok := mapSpecialKey[keyStr]; ok {
 					keyStr = newKeyStr
-				} else if strings.HasPrefix(keyStr, "KC_") {
-					keyStr = strings.TrimPrefix(keyStr, "KC_")
-				} else if strings.HasPrefix(keyStr, "QK_") {
-					keyStr = strings.TrimPrefix(keyStr, "QK_")
 				}
+				keyStr = strings.TrimPrefix(keyStr, "KC_")
+				keyStr = strings.TrimPrefix(keyStr, "QK_")
 
 				// Padding to center key
 				// Why / 2, why - 1 ?
diff --git a/cmd/qmkasciigen/main.go b/cmd/qmkasciigen/main.go
index 38bb8c1..4ccd8ee 100644
--- a/cmd/qmkasciigen/main.go
+++ b/cmd/qmkasciigen/main.go
@@ -70,7 +70,7 @@ func main() {
 
 	// Optional
 	if filenameOut != "" {
-		if err := os.WriteFile(filenameOut, []byte(result), 0o644); err != nil {
+		if err := os.WriteFile(filenameOut, []byte(result), 0o600); err != nil {
 			log.Fatalln("Failed to write file", filenameOut, err)
 		}
 	}
diff --git a/cmd/qmkasciigen/models.go b/cmd/qmkasciigen/models.go
index 2c0e55f..df81115 100644
--- a/cmd/qmkasciigen/models.go
+++ b/cmd/qmkasciigen/models.go
@@ -23,6 +23,6 @@ type QMKKeyDictionary struct {
 
 // https://config.qmk.fm/#/
 type QMKKeymap struct {
-	Layers [][]string `json:"layers"`
 	Layout string     `json:"layout"`
+	Layers [][]string `json:"layers"`
 }