chore: Add CI workflow (#2)

.github/workflows/build.yml

@@ -0,0 +1,42 @@
+name: Build and run test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: [ '1.19', '1.20', '1.21', '1.22' ]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Install dependencies
+        run: go get ./...
+      - name: Run gofmt
+        run: |
+          if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then
+            echo "Some files are not correctly formatted. Run 'gofmt -l -w'."
+            exit 1
+          fi
+      - name: Run golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60.3
+      - name: Build
+        run: go build -v ./...
+      - name: Test with Go
+        run: go test -json ./... > TestResults-${{ matrix.go-version }}.json
+      - name: Upload Go test results
+        uses: actions/upload-artifact@v4
+        with:
+          name: Go-results-${{ matrix.go-version }}
+          path: TestResults-${{ matrix.go-version }}.json

.golangci.yml

@@ -2,7 +2,7 @@ linters:
   enable:
     - bodyclose
     - durationcheck
-    - exportloopref
+    - copyloopvar
     - gomoddirectives
     - prealloc
     - reassign

internal/compose/fetch.go

@@ -6,7 +6,7 @@ package compose
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/http/httputil"
 	"strings"
@@ -44,7 +44,7 @@ func Fetch[T any](ctx Context, url string) (*T, error) {
 		return nil, fmt.Errorf("request failed: %s ", res.Status)
 	}
 	defer res.Body.Close()
-	buf, err := ioutil.ReadAll(res.Body)
+	buf, err := io.ReadAll(res.Body)
 	if err != nil {
 		return nil, err
 	}