Add golangci-lint for static check.

.github/workflows/golangci-lint.yml

@@ -0,0 +1,30 @@
+name: Golangci Lint
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+permissions:
+  contents: read
+  pull-requests: read
+  checks: write
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: "1.21.1"
+
+      - run: |
+          make gen-proto
+          gen-swagger
+
+      - name: Run golangci-lint
+        uses: golangci/[email protected]

.golangci.yml

@@ -0,0 +1,51 @@
+linters-settings:
+  govet:
+    enable-all: true
+
+  gocyclo:
+    min-complexity: 20
+
+  goconst:
+    min-len: 3
+    min-occurrences: 3
+
+  misspell:
+    locale: US
+
+  lll:
+    line-length: 120
+
+  unused:
+    check-exported: true
+
+  unparam:
+    check-exported: true
+
+linters:
+  enable:
+    - bodyclose
+    - errcheck
+    - gocognit
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - revive
+    - gosimple
+    - govet
+    - ineffassign
+    - misspell
+    - nakedret
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+
+issues:
+  new-from-rev: ""
+  exclude-generated-strict: true
+
+
+run:
+  deadline: 5m