Add golangci lint

.github/workflows/golangci-lint.yml

@@ -0,0 +1,24 @@
+name: golangci-lint
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.59

.golangci.yml

@@ -0,0 +1,22 @@
+linters:
+  # Disable all linters.
+  # Default: false
+  disable-all: true
+  # Enable specific linter
+  # https://golangci-lint.run/usage/linters/#enabled-by-default
+  enable:
+    - errcheck
+    - gosimple
+    - govet
+    - ineffassign
+    - staticcheck
+    - unused
+
+issues:
+  exclude-rules:
+    - path: (.+)_test.go
+      linters:
+        - errcheck
+    - path: test_utils.go
+      linters:
+        - errcheck

go.mod

@@ -1,6 +1,6 @@
 module github.com/sovietaced/okta-jwt-verifier
 
-go 1.21.5
+go 1.22
 
 require (
 	github.com/MicahParks/jwkset v0.5.18