diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index c344342..952a2af 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -20,11 +20,11 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v3
       with:
-        go-version: 1.19
+        go-version: 1.21
         
     - name: lint
       run: |
-        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.52.0
+        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.57.1
         ./bin/golangci-lint run
 
     - name: Build
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6d80c3d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/.dapper
diff --git a/.golangci.yaml b/.golangci.yaml
index 82fbfe3..153b2dc 100644
--- a/.golangci.yaml
+++ b/.golangci.yaml
@@ -7,13 +7,14 @@ linters:
     - revive
     - gosec
     - prealloc
-run:
-  skip-files:
+issues:
+  exclude-files:
     - /zz_generated_
     - _generated
-  skip-dirs:
+  exclude-dirs:
     - generated
-  deadline: 5m
+run:
+  timeout: 5m
   tests: true
   build-tags:
-    - test
\ No newline at end of file
+    - test
diff --git a/Dockerfile.dapper b/Dockerfile.dapper
new file mode 100644
index 0000000..09b1799
--- /dev/null
+++ b/Dockerfile.dapper
@@ -0,0 +1,21 @@
+FROM registry.suse.com/bci/golang:1.21
+
+ARG DAPPER_HOST_ARCH
+ENV HOST_ARCH=${DAPPER_HOST_ARCH} ARCH=${DAPPER_HOST_ARCH}
+
+RUN zypper -n rm container-suseconnect && \
+    zypper -n install git curl docker gzip tar wget awk
+
+## install golangci
+RUN if [ "${ARCH}" == "amd64" ]; then \
+    curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.57.1; \
+    fi
+
+ENV DAPPER_ENV REPO TAG DRONE_TAG
+ENV DAPPER_SOURCE /go/src/github.com/harvester/go-common/
+ENV DAPPER_DOCKER_SOCKET true
+ENV HOME ${DAPPER_SOURCE}
+WORKDIR ${DAPPER_SOURCE}
+
+ENTRYPOINT ["./scripts/entry"]
+CMD ["ci"]
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5d7b47e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,15 @@
+TARGETS := $(shell ls scripts)
+
+.dapper:
+	@echo Downloading dapper
+	@curl -sL https://releases.rancher.com/dapper/latest/dapper-$$(uname -s)-$$(uname -m) > .dapper.tmp
+	@@chmod +x .dapper.tmp
+	@./.dapper.tmp -v
+	@mv .dapper.tmp .dapper
+
+$(TARGETS): .dapper
+	./.dapper $@
+
+.DEFAULT_GOAL := default
+
+.PHONY: $(TARGETS)
diff --git a/go.mod b/go.mod
index b3ada28..bc9fe71 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/harvester/go-common
 
-go 1.20
+go 1.21
 
 require (
 	github.com/coreos/go-systemd/v22 v22.5.0
@@ -8,7 +8,6 @@ require (
 	github.com/godbus/dbus/v5 v5.0.4
 	github.com/sirupsen/logrus v1.9.2
 	github.com/stretchr/testify v1.7.0
-	golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb
 	gopkg.in/yaml.v3 v3.0.1
 )
 
diff --git a/go.sum b/go.sum
index 1d758d3..aa265da 100644
--- a/go.sum
+++ b/go.sum
@@ -14,8 +14,6 @@ github.com/sirupsen/logrus v1.9.2/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVs
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb h1:c0vyKkb6yr3KR7jEfJaOSv4lG7xPkbN6r52aJz1d8a8=
-golang.org/x/exp v0.0.0-20231206192017-f3f8817b8deb/go.mod h1:iRJReGqOEeBhDZGkGbynYwcHlctCvnjTYIamk7uXpHI=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956 h1:XeJjHH1KiLpKGb6lvMiksZ9l0fVUh+AmGcm0nOMEBOY=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/scripts/entry b/scripts/entry
new file mode 100755
index 0000000..78fb567
--- /dev/null
+++ b/scripts/entry
@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+
+mkdir -p bin dist
+if [ -e ./scripts/$1 ]; then
+    ./scripts/"$@"
+else
+    exec "$@"
+fi
+
+chown -R $DAPPER_UID:$DAPPER_GID .
diff --git a/scripts/test b/scripts/test
new file mode 100755
index 0000000..0866243
--- /dev/null
+++ b/scripts/test
@@ -0,0 +1,7 @@
+#!/bin/bash
+set -e
+
+cd $(dirname $0)/..
+
+echo Running tests
+go test -cover -tags=test ./...
diff --git a/scripts/validate b/scripts/validate
new file mode 100755
index 0000000..7f98128
--- /dev/null
+++ b/scripts/validate
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+
+cd $(dirname $0)/..
+
+echo Running validation
+
+PACKAGES="$(go list ./...)"
+
+if ! command -v golangci-lint; then
+    echo Skipping validation: no golangci-lint available
+    exit
+fi
+
+echo Running validation
+
+echo Running: golangci-lint
+golangci-lint run
+
+echo Running: go fmt
+test -z "$(go fmt ${PACKAGES} | tee /dev/stderr)"
diff --git a/slice.go b/slice.go
index 8e734cf..a9df4c1 100644
--- a/slice.go
+++ b/slice.go
@@ -1,6 +1,6 @@
 package gocommon
 
-import "golang.org/x/exp/slices"
+import "slices"
 
 // SliceContentCmp compares two slices and returns true if they have the same content with any order.
 func SliceContentCmp[T comparable](x, y []T) bool {