chore: update linter, Go, and seihon

.github/workflows/go-cross.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ 1.15, 1.16, 1.x ]
+        go-version: [ 1.17, 1.x ]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:

.github/workflows/main.yml

@@ -14,9 +14,9 @@ jobs:
     name: Main Process
     runs-on: ubuntu-latest
     env:
-      GO_VERSION: 1.16
-      GOLANGCI_LINT_VERSION: v1.41.1
-      SEIHON_VERSION: v0.8.3
+      GO_VERSION: 1.17
+      GOLANGCI_LINT_VERSION: v1.43.0
+      SEIHON_VERSION: v0.8.5
       CGO_ENABLED: 0
 
     steps:

.golangci.yml

@@ -0,0 +1,46 @@
+run:
+  deadline: 2m
+  skip-files: []
+linters-settings:
+  govet:
+    check-shadowing: true
+  gocyclo:
+    min-complexity: 12
+  goconst:
+    min-len: 3
+    min-occurrences: 3
+  misspell:
+    locale: US
+
+linters:
+  enable-all: true
+  disable:
+    - golint # deprecated
+    - scopelint # deprecated
+    - interfacer # deprecated
+    - maligned # deprecated
+    - lll
+    - gosec
+    - dupl
+    - prealloc
+    - gochecknoglobals
+    - gochecknoinits
+    - gomnd
+    - wsl
+    - nlreturn
+    - testpackage
+    - paralleltest
+    - tparallel
+    - goerr113
+    - wrapcheck
+    - exhaustive
+    - exhaustivestruct
+    - forbidigo
+    - varnamelen
+    - nilnil
+
+issues:
+  exclude-use-default: false
+  max-per-linter: 0
+  max-same-issues: 0
+  exclude: []

go.mod

@@ -1,5 +1,5 @@
 module github.com/traefik/whoami
 
-go 1.13
+go 1.17
 
 require github.com/gorilla/websocket v1.4.2