diff --git a/.github/workflows/github-actions-test.yml b/.github/workflows/github-actions-test.yml
deleted file mode 100644
index fefa057..0000000
--- a/.github/workflows/github-actions-test.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-name: Docker Image CI
-on:
-  push:
-    tags:
-      - "v*.*.*"
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-
-      - name: CheckOut Repo
-        uses: actions/checkout@v2
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v2
-
-      - name: Cache Docker layers
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
-
-      - name: Check Out Repo
-        uses: actions/checkout@v2
-
-      - name: Set env
-        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-      - name: Test
-        run: |
-          echo $RELEASE_VERSION
-          echo ${{ env.RELEASE_VERSION }}
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v3
-        with:
-          images: cropalato/rest_auth_proxy
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: ${{ secrets.DOCKER_HUB_USERNAME }}
-          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
-      - name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          builder: ${{ steps.buildx.outputs.name }}
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
diff --git a/.github/workflows/go-build-artifacts.yml b/.github/workflows/go-build-artifacts.yml
deleted file mode 100644
index eec9250..0000000
--- a/.github/workflows/go-build-artifacts.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-# workflow name
-name: Generate release-artifacts
-
-# on events
-on:
-  push:
-    tags: 
-      - build
-
-# workflow tasks
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Setup Go
-        uses: actions/setup-go@v3
-        with:
-          go-version: "1.18.3" # The Go version to download (if necessary) and use.
-          cache: true
-          cache-dependency-path: |
-            **/go.sum
-            **/go.mod
-
-      - name: Run Build
-        run: |
-          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags netgo -ldflags '-w -extldflags "-static"' -o rest_auth_proxy .
-      - uses: actions/upload-artifact@v3
-        with:
-          path: rest_auth_proxy
diff --git a/.github/workflows/merged_pr.yaml b/.github/workflows/merged_pr.yaml
new file mode 100644
index 0000000..d2567bf
--- /dev/null
+++ b/.github/workflows/merged_pr.yaml
@@ -0,0 +1,51 @@
+name: Merged PR
+on:
+  pull_request:
+    branches:
+      - "main"
+    types: [opened, synchronize, closed]
+jobs:
+  build-project:
+    if: ((github.event.action == 'closed' && github.event.pull_request.merged == true))
+    strategy:
+      matrix:
+        go: [1.18]
+        os: [ubuntu]
+    name: Build golang application
+    runs-on: ${{ matrix.os}}-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Setup Go environment
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+      - run: go build -o test-${{ matrix.os }}
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-${{ matrix.os }}
+          path: ./
+  release-project:
+    if: ((github.event.action == 'closed' && github.event.pull_request.merged == true))
+    strategy:
+      matrix:
+        #os: [macos, windows, ubuntu]
+        os: [ubuntu]
+    name: Release golang application
+    runs-on: ubuntu-latest
+    needs: build-project
+    steps:
+      - name: Download applications
+        uses: actions/download-artifact@v3
+        #with:
+          #name: test-${{ matrix.os }}
+      - run: ls -la 
+      - name: Create Github release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: test
+          allowUpdates: true
+          artifacts: "**/test-*"
diff --git a/.github/workflows/push.yaml b/.github/workflows/push.yaml
new file mode 100644
index 0000000..8155d91
--- /dev/null
+++ b/.github/workflows/push.yaml
@@ -0,0 +1,23 @@
+name: Push
+on:
+  push:
+    branches:
+      - "**"
+      - "!main"
+jobs:
+  build-project:
+    strategy:
+      matrix:
+        go: [1.18]
+        os: [ubuntu]
+    name: Checking golang application
+    runs-on: ${{ matrix.os}}-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Setup Go environment
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
deleted file mode 100644
index 610e2e2..0000000
--- a/.github/workflows/test.yml
+++ /dev/null
@@ -1,21 +0,0 @@
-on: 
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - "*"
-name: Test
-jobs:
-  test:
-    strategy:
-      matrix:
-        go-version: [1.17.x, 1.18.x]
-        os: [ubuntu-latest, macos-latest, windows-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-    - uses: actions/setup-go@v3
-      with:
-        go-version: ${{ matrix.go-version }}
-    - uses: actions/checkout@v3
-    - run: go test ./...
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2909814..21f5e79 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,17 +1,13 @@
 repos:
-- repo: https://github.com/dnephin/pre-commit-golang
-  rev: v0.4.0
-  hooks:
-    - id: go-fmt
-    - id: go-vet
-    - id: go-lint
-    - id: go-imports
-    - id: go-cyclo
-      args: [-over=15]
-    - id: validate-toml
-    - id: no-go-testing
-    - id: golangci-lint
-    - id: go-critic
-    - id: go-unit-tests
-    - id: go-build
-    - id: go-mod-tidy
+  - repo: https://github.com/Bahjat/pre-commit-golang
+    rev: v1.0.1
+    hooks:
+      - id: go-fmt-import
+      - id: go-vet
+      - id: go-lint
+      - id: go-unit-tests
+      - id: gofumpt # requires github.com/mvdan/gofumpt
+      - id: go-err-check # requires github.com/kisielk/errcheck
+      - id: go-static-check # install https://staticcheck.io/docs/
+      - id: golangci-lint # requires github.com/golangci/golangci-lint
+        args: [--config=.github/linters/.golangci.yml] # optional
diff --git a/config.go b/config.go
index 8dd58e4..8bce346 100644
--- a/config.go
+++ b/config.go
@@ -8,12 +8,6 @@ import (
 	"k8s.io/klog/v2"
 )
 
-// Authorization is used to validate it method + URL is allowed.
-type Authorization struct {
-	Method    string   `yaml:"method"`
-	PathRegEx []string `yaml:"pathregex"`
-}
-
 type requesAuthz struct {
 	Method    string   `json:"method"`
 	PathRegEx []string `json:"pathregex"`
diff --git a/main.go b/main.go
index 9785d0a..d38aca1 100644
--- a/main.go
+++ b/main.go
@@ -7,7 +7,6 @@ import (
 	"fmt"
 	"net/http"
 	"os"
-	"strconv"
 
 	"k8s.io/klog"
 )
@@ -30,18 +29,6 @@ func LookupEnvOrString(key string, defaultVal string) string {
 	return defaultVal
 }
 
-// LookupEnvOrBool returns the value from env variable key is exists or defaultVal as boolean
-func LookupEnvOrBool(key string, defaultVal bool) bool {
-	if val, ok := os.LookupEnv(key); ok {
-		v, err := strconv.ParseBool(val)
-		if err != nil {
-			klog.Fatal(fmt.Sprintf("LookupEnvOrBool[%s]: %v", key, err))
-		}
-		return v
-	}
-	return defaultVal
-}
-
 func main() {
 	klog.InitFlags(nil)
 	defer klog.Flush()
diff --git a/proxyHandler.go b/proxyHandler.go
index 2c92877..22cfc00 100644
--- a/proxyHandler.go
+++ b/proxyHandler.go
@@ -31,7 +31,7 @@ func (h *headerRules) requestAuthz(method string, url string, headerKey string,
 			for _, u := range a.PathRegEx {
 				if match, _ := regexp.MatchString(u, url); match {
 					if klog.V(5) {
-						klog.Info(fmt.Sprintf("Matched"))
+						klog.Info("Matched")
 					}
 					return nil
 				}
@@ -57,19 +57,23 @@ func (h *headerRules) proxyHandler(w http.ResponseWriter, r *http.Request) {
 	}
 	if override = err == nil; !override {
 		if klog.V(3) {
-			klog.Info(fmt.Sprintf("Forwarding request without changes."))
+			klog.Info("Forwarding request without changes.")
 		}
 	}
 	newURL := fmt.Sprintf("%s%s", serverAPIURL, r.URL)
 	pr, err := forwardRequest(newURL, r, override)
 	if err == nil {
 		w.WriteHeader(pr.statusCode)
-		w.Write(pr.body)
+		if _, err = w.Write(pr.body); err != nil {
+			klog.Errorf("Write failed: %v", err)
+		}
 		return
 	}
 	klog.Errorf(fmt.Sprintf("Failed forwaring request. %v", err))
 	w.WriteHeader(http.StatusInternalServerError)
-	w.Write([]byte(fmt.Sprintf("%v", err)))
+	if _, err = w.Write([]byte(fmt.Sprintf("%v", err))); err != nil {
+		klog.Errorf("Write failed: %v", err)
+	}
 }
 
 func forwardRequest(url string, r *http.Request, override bool) (proxyResp, error) {
@@ -86,7 +90,7 @@ func forwardRequest(url string, r *http.Request, override bool) (proxyResp, erro
 	}
 	req, err := http.NewRequest(method, url, nil)
 	if err != nil {
-		return *pr, fmt.Errorf("Got error %s", err.Error())
+		return *pr, fmt.Errorf("got error %s", err.Error())
 	}
 	for k, v := range r.Header {
 		if len(v) > 1 {
@@ -102,10 +106,12 @@ func forwardRequest(url string, r *http.Request, override bool) (proxyResp, erro
 	}
 	response, err := client.Do(req)
 	if err != nil {
-		return *pr, fmt.Errorf("Got error %s", err.Error())
+		return *pr, fmt.Errorf("got error %s", err.Error())
 	}
 	body, _ := ioutil.ReadAll(response.Body)
-	response.Body.Close()
+	if err = response.Body.Close(); err != nil {
+		klog.Errorf("close error: %v", err)
+	}
 	pr.statusCode = response.StatusCode
 	pr.headers = response.Header
 	pr.body = body