Add golangci-lint configuration file and instructions to run it.

.golangci.yml

@@ -0,0 +1,28 @@
+run:
+  timeout: "5m"
+
+linters:
+  disable-all: true
+  enable: [
+    "govet",
+    "goimports",
+    "gofmt",
+    "staticcheck",
+  ]
+
+linters-settings:
+
+  goimports:
+    local-prefixes: "github.com/Azure/ARO-RP"
+
+  govet:
+    check-shadowing: false
+
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+
+  exclude-rules:
+  - linters: [ "staticcheck" ]
+    path: _test\.go
+    text: "Dial is deprecated: Use DialContext instead"

Makefile

@@ -120,6 +120,9 @@ test-go: generate
 	go vet ./...
 	set -o pipefail && go test -v ./... -coverprofile cover.out | tee uts.txt
 
+lint-go: generate
+	golangci-lint run
+
 test-python: generate pyenv${PYTHON_VERSION}
 	. pyenv${PYTHON_VERSION}/bin/activate && \
 		$(MAKE) az && \