ci: add golangci lint config

.golangci.yml

@@ -0,0 +1,118 @@
+version: "2"
+
+linters:
+  enable:
+    # Core Go checks
+    - govet
+    - ineffassign
+    - unused
+    # Style & Complexity
+    # - cyclop
+    # - goconst
+    # - gocritic
+    # - whitespace
+    # Bug Prevention
+    - bodyclose
+    - contextcheck
+    - copyloopvar
+    # - errorlint
+    - nilerr
+    - rowserrcheck
+    - sqlclosecheck
+    # - unparam
+    # Security
+    # - gosec
+    # Test Helpers
+    - testifylint
+    - thelper
+    - paralleltest
+
+  disable:
+    # Optional: Deaktiviere zu strenge oder störende Linter
+    - wsl
+    - maintidx
+    - nlreturn
+    - errcheck
+    - staticcheck
+    # Weitere Linter nach Bedarf ausschalten
+
+settings:
+  cyclop:
+    max-complexity: 15
+  gocritic:
+    enabled-tags:
+      - diagnostic
+      - experimental
+      - opinionated
+      - performance
+      - style
+    settings:
+      captLocal:
+        paramsOnly: true
+      rangeValCopy:
+        sizeThreshold: 32
+  depguard:
+    rules:
+      main:
+        files:
+          - "$all"
+          - '!$test'
+        deny:
+          - pkg: reflect
+            desc: "Reflection is often unclear; consider alternatives."
+          - pkg: "io/ioutil"
+            desc: "Deprecated since Go 1.16; use 'os' or 'io' instead."
+  varnamelen:
+    min-name-length: 2
+
+exclusions:
+  generated: lax
+  rules:
+    - linters:
+        - copyloopvar
+        - dupl
+        - errcheck
+        - gocyclo
+        - gosec
+        - maintidx
+        - unparam
+      path: _test(ing)?\.go
+    - linters:
+        - gocritic
+      path: _test\.go
+      text: (unnamedResult|exitAfterDefer)
+    - linters:
+        - gosec
+      text: 'G101:'
+  paths:
+    - zz_generated\..+\.go$
+    - third_party/
+    - internal/vendor/
+
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+  exclude-use-default: false
+
+formatters:
+  enable:
+    # - gci
+    - gofmt
+    - goimports
+  settings:
+    gci:
+      sections:
+        - standard
+        - default
+        - blank
+        - dot
+        - prefix(github.com/your-org/your-repo)  # Hier dein Modulname eintragen!
+    gofmt:
+      simplify: true
+    goimports:
+      local-prefixes:
+        - github.com/your-org/your-repo  # Hier dein Modulname eintragen!
+  exclusions:
+    generated: lax
+    paths:
+      - zz_generated\..+\.go$