diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..dd0fc13
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,45 @@
+---
+kind: pipeline
+name: compliance
+
+platform:
+  os: linux
+  arch: arm64
+
+trigger:
+  event:
+    - pull_request
+
+steps:
+  - name: check
+    pull: always
+    image: golang:1.14
+    environment:
+      GOPROXY: https://goproxy.cn
+    commands:
+      - make build
+      - make lint
+      - make vet
+
+---
+kind: pipeline
+name: build-master
+
+platform:
+  os: linux
+  arch: amd64
+
+trigger:
+  branch:
+    - master
+  event:
+    - push
+
+steps:
+  - name: build
+    pull: always
+    image: techknowlogick/xgo:latest
+    environment:
+      GOPROXY: https://goproxy.cn
+    commands:
+      - make build
\ No newline at end of file
diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..704d99a
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,23 @@
+linters:
+  enable:
+    - deadcode
+    - dogsled
+    - dupl
+    - errcheck
+    - gocognit
+    - goconst
+    - gocritic
+    - gocyclo
+    - gofmt
+    - golint
+    - gosimple
+    - govet
+    - maligned
+    - misspell
+    - prealloc
+    - staticcheck
+    - structcheck
+    - typecheck
+    - unparam
+    - unused
+    - varcheck
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 5305662..e9c9f4f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,22 @@
+GO ?= go
+
 .PHONY: build
 build:
-	go build
+	$(GO) build
 
 .PHONY: fmt
 fmt:
-	go fmt ./...
\ No newline at end of file
+	$(GO) fmt ./...
+
+.PHONY: vet
+vet: build
+	$(GO) vet ./...
+	$(GO) vet -vettool=gitea-vet ./...
+
+.PHONY: lint
+lint:
+	@hash golangci-lint > /dev/null 2>&1; if [ $$? -ne 0 ]; then \
+		export BINARY="golangci-lint"; \
+		curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(shell $(GO) env GOPATH)/bin v1.24.0; \
+	fi
+	golangci-lint run --timeout 5m
\ No newline at end of file
diff --git a/README.md b/README.md
index 5fc03e0..d311c04 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 # gitea-vet
+
+[![Build Status](https://drone.gitea.com/api/badges/jolheiser/gitea-vet/status.svg)](https://drone.gitea.com/jolheiser/gitea-vet)
+
 `go vet` tool for Gitea
 
 | Analyzer | Description                                                         |
diff --git a/checks/imports.go b/checks/imports.go
index 6ef5975..9716e5f 100644
--- a/checks/imports.go
+++ b/checks/imports.go
@@ -22,11 +22,12 @@ func runImports(pass *analysis.Pass) (interface{}, error) {
 		for _, im := range file.Imports {
 			var lvl int
 			val := im.Path.Value
-			if importHasPrefix(val, "code.gitea.io") {
+			switch {
+			case importHasPrefix(val, "code.gitea.io"):
 				lvl = 2
-			} else if strings.Contains(val, ".") {
+			case strings.Contains(val, "."):
 				lvl = 3
-			} else {
+			default:
 				lvl = 1
 			}
 
@@ -43,12 +44,3 @@ func runImports(pass *analysis.Pass) (interface{}, error) {
 func importHasPrefix(s, p string) bool {
 	return strings.HasPrefix(s, "\""+p)
 }
-
-func sliceHasPrefix(s string, prefixes ...string) bool {
-	for _, p := range prefixes {
-		if importHasPrefix(s, p) {
-			return true
-		}
-	}
-	return false
-}
diff --git a/main.go b/main.go
index 9b8b000..4a77e64 100644
--- a/main.go
+++ b/main.go
@@ -6,6 +6,7 @@ package main
 
 import (
 	"gitea.com/jolheiser/gitea-vet/checks"
+
 	"golang.org/x/tools/go/analysis/unitchecker"
 )