Switch to golangci-lint

Author: mccutchen

.github/workflows/continuous_delivery.yaml

@@ -32,9 +32,6 @@ jobs:
     - name: Build docker image
       run: make image
 
-    - name: Lint
-      run: make lint
-
     - name: Test
       run: git show --stat && make testci
 

.github/workflows/lint.yaml

@@ -0,0 +1,18 @@
+name: Lint
+
+on:
+  push:
+    branches: [master] # pushes TO master
+  pull_request:
+    branches: [master] # pull requests AGAINST master
+
+jobs:
+  golangci:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v2
+        with:
+          version: v1.39.0

.golangci.yaml

@@ -0,0 +1,6 @@
+run:
+  modules-download-mode: readonly
+
+linters:
+  disable:
+  - errcheck