cicd: test on pull requests.

.github/workflows/test.yaml

@@ -0,0 +1,31 @@
+name: Go Test
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.21.0
+
+    - name: Install dependencies
+      run: go mod download
+
+    - name: Run tests
+      run: go test -v ./...
+
+    - name: Check code style
+      run: gofmt -l -s $(find . -type f -name '*.go' -not -path "./vendor/*")
+
+    - name: Check for security issues
+      run: gosec ./...

go.mod

@@ -1,6 +1,6 @@
 module github.com/arshamalh/dockeroller
 
-go 1.19
+go 1.21.0
 
 require (
 	github.com/docker/docker v20.10.17+incompatible