ci(deps): bump docker/build-push-action from 6 to 7

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6 to 7.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v6...v7)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yml

@@ -35,21 +35,24 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
-    strategy:
-      matrix:
-        go:
-          - 1.24.x
-          - 1.25.x
 
     steps:
       - uses: actions/checkout@v6
 
-      - name: Set up Go ${{ matrix.go }}
+      - name: Set up Go
+        id: setup-go
         uses: actions/setup-go@v6
         with:
-          go-version: ${{ matrix.go }}
+          go-version-file: go.mod
           check-latest: true
 
+      # Expose the resolved Go version as an env var so it is never
+      # interpolated directly into a shell script (avoids script injection).
+      - name: Export Go version
+        env:
+          GO_VERSION: ${{ steps.setup-go.outputs.go-version }}
+        run: echo "GO_VERSION=$GO_VERSION" >> "$GITHUB_ENV"
+
       - name: Install Task
         uses: go-task/setup-task@v1
 
@@ -70,7 +73,7 @@ jobs:
           {
             cat << EOF
           ## 🔧 Test Environment
-          - **Go Version:** ${{ matrix.go }}
+          - **Go Version:** $GO_VERSION
           - **OS:** ubuntu-latest
           - **Timestamp:** $(date -u)
 
@@ -90,7 +93,7 @@ jobs:
           # Generate test summary
           {
             cat << EOF
-          ## 🧪 Test Results (Go ${{ matrix.go }})
+          ## 🧪 Test Results (Go $GO_VERSION)
 
           | Metric      | Value                                                         |
           | ----------- | ------------------------------------------------------------- |
@@ -152,7 +155,7 @@ jobs:
 
             {
               cat << EOF
-          ## 📊 Code Coverage (Go ${{ matrix.go }})
+          ## 📊 Code Coverage (Go $GO_VERSION)
 
           **Total Coverage: $COVERAGE**
 
@@ -213,7 +216,7 @@ jobs:
         if: failure()
         uses: actions/upload-artifact@v6
         with:
-          name: test-results-go-${{ matrix.go }}
+          name: test-results-go-${{ env.GO_VERSION }}
           path: |
             test-output.log
             coverage/
@@ -223,7 +226,7 @@ jobs:
         run: |
           {
             cat << EOF
-          ## 🔍 Static Analysis (Go ${{ matrix.go }})
+          ## 🔍 Static Analysis (Go $GO_VERSION)
 
           EOF
 
@@ -267,9 +270,10 @@ jobs:
       - name: Job Summary
         if: always()
         run: |
-          cat >> "$GITHUB_STEP_SUMMARY" << 'EOF'
+          {
-          ## 📋 Job Summary (Go ${{ matrix.go }})
+            echo "## 📋 Job Summary (Go $GO_VERSION)"
-
+            echo ""
+            cat << 'EOF'
           | Step            | Status                                                          |
           | --------------- | --------------------------------------------------------------- |
           | Dependencies    | Success                                                         |
@@ -279,12 +283,13 @@ jobs:
           | Static Analysis | ${{ job.status == 'success' && 'Clean' || 'Issues' }}           |
           | Code Formatting | ${{ job.status == 'success' && 'Clean' || 'Issues' }}           |
           EOF
+          } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Upload coverage reports to Codecov
         uses: codecov/codecov-action@v5
         with:
           files: ./coverage/coverage.out
-          flags: Go ${{ matrix.go }}
+          flags: Go ${{ env.GO_VERSION }}
           slug: kjanat/articulate-parser
           token: ${{ secrets.CODECOV_TOKEN }}
 
@@ -292,7 +297,7 @@ jobs:
         if: ${{ !cancelled() }}
         uses: codecov/test-results-action@v1
         with:
-          flags: Go ${{ matrix.go }}
+          flags: Go ${{ env.GO_VERSION }}
           token: ${{ secrets.CODECOV_TOKEN }}
 
   docker-test:
@@ -348,13 +353,14 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: read
+      pull-requests: write
     if: github.event_name == 'pull_request'
     steps:
       - name: "Checkout Repository"
         uses: actions/checkout@v6
 
       - name: "Dependency Review"
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@v5
         with:
           fail-on-severity: moderate
           comment-summary-in-pr: always
@@ -375,20 +381,20 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Login to Docker Hub
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -416,7 +422,7 @@ jobs:
             org.opencontainers.image.documentation=https://github.com/${{ github.repository }}/blob/master/DOCKER.md
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           # Multi-architecture build - Docker automatically provides TARGETOS, TARGETARCH, etc.

.github/workflows/dependency-review.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: "Dependency Review"
-        uses: actions/dependency-review-action@v4
+        uses: actions/dependency-review-action@v5
         with:
           fail-on-severity: moderate
           comment-summary-in-pr: always

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
           done
 
       - name: Create Release
-        uses: softprops/action-gh-release@v2
+        uses: softprops/action-gh-release@v3
         with:
           files: |
             build/articulate-parser-linux-amd64
@@ -91,20 +91,20 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Login to Docker Hub
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           username: ${{ vars.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
+        uses: docker/setup-qemu-action@v4
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -131,7 +131,7 @@ jobs:
             org.opencontainers.image.documentation=https://github.com/${{ github.repository }}/blob/master/DOCKER.md
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v6
+        uses: docker/build-push-action@v7
         with:
           context: .
           platforms: |

.golangci.yml

@@ -8,11 +8,6 @@ run:
   # Timeout for total work
   timeout: 5m
 
-  # Skip directories (not allowed in config v2, will use issues exclude instead)
-
-  # Go version
-  go: "1.24"
-
   # Include test files
   tests: true
 

Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.25-alpine AS builder
+FROM golang:1.26-alpine AS builder
 
 # Install git and ca-certificates (needed for fetching dependencies and HTTPS)
 RUN apk add --no-cache git ca-certificates tzdata file

Dockerfile.dev

@@ -2,7 +2,7 @@
 # Uses Alpine instead of scratch for debugging
 
 # Build stage - same as production
-FROM golang:1.25-alpine AS builder
+FROM golang:1.26-alpine AS builder
 
 # Install git and ca-certificates (needed for fetching dependencies and HTTPS)
 RUN apk add --no-cache git ca-certificates tzdata file

README.md

@@ -78,12 +78,12 @@ flowchart TD
 
 The system follows **Clean Architecture** principles with clear separation of concerns:
 
-- **🎯 Entry Point**: Command-line interface handles user input and coordinates operations
+- **Entry Point**: Command-line interface handles user input and coordinates operations
-- **🏗️ Application Layer**: Core business logic with dependency injection
+- **Application Layer**: Core business logic with dependency injection
-- **📋 Interface Layer**: Contracts defining behavior without implementation details
+- **Interface Layer**: Contracts defining behavior without implementation details
-- **🔧 Service Layer**: Concrete implementations of parsing and utility services
+- **Service Layer**: Concrete implementations of parsing and utility services
-- **📤 Export Layer**: Factory pattern for format-specific exporters
+- **Export Layer**: Factory pattern for format-specific exporters
-- **📊 Data Layer**: Domain models representing course structure
+- **Data Layer**: Domain models representing course structure
 
 ## Features
 
@@ -206,7 +206,7 @@ Then run:
 
 The application is available as a Docker image from GitHub Container Registry.
 
-### 🐳 Docker Image Information
+### Docker Image Information
 
 - **Registry**: `ghcr.io/kjanat/articulate-parser`
 - **Platforms**: linux/amd64, linux/arm64

go.mod

@@ -1,16 +1,14 @@
 module github.com/kjanat/articulate-parser
 
-go 1.24.0
+go 1.26.0
-
-toolchain go1.25.5
 
 require (
 	github.com/fumiama/go-docx v0.0.0-20250506085032-0c30fd09304b
-	golang.org/x/net v0.49.0
+	golang.org/x/net v0.56.0
-	golang.org/x/text v0.33.0
+	golang.org/x/text v0.38.0
 )
 
 require (
 	github.com/fumiama/imgsz v0.0.4 // indirect
-	golang.org/x/image v0.34.0 // indirect
+	golang.org/x/image v0.42.0 // indirect
 )

go.sum

@@ -2,9 +2,9 @@ github.com/fumiama/go-docx v0.0.0-20250506085032-0c30fd09304b h1:/mxSugRc4SgN7Xg
 github.com/fumiama/go-docx v0.0.0-20250506085032-0c30fd09304b/go.mod h1:ssRF0IaB1hCcKIObp3FkZOsjTcAHpgii70JelNb4H8M=
 github.com/fumiama/imgsz v0.0.4 h1:Lsasu2hdSSFS+vnD+nvR1UkiRMK7hcpyYCC0FzgSMFI=
 github.com/fumiama/imgsz v0.0.4/go.mod h1:bISOQVTlw9sRytPwe8ir7tAaEmyz9hSNj9n8mXMBG0E=
-golang.org/x/image v0.34.0 h1:33gCkyw9hmwbZJeZkct8XyR11yH889EQt/QH4VmXMn8=
+golang.org/x/image v0.42.0 h1:1gSs6ehNWXLbkHBIPcWztk3D/6aIA/8hauiAYtlodVY=
-golang.org/x/image v0.34.0/go.mod h1:2RNFBZRB+vnwwFil8GkMdRvrJOFd1AzdZI6vOY+eJVU=
+golang.org/x/image v0.42.0/go.mod h1:rrpelvGFt+kLPAjPM4HeWPgrl0FtafueU//e5N0qk/Q=
-golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
+golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
-golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
+golang.org/x/net v0.56.0/go.mod h1:D3Ku6r+V6JROoZK144D2XfMHFcMq/0zSfLelVTCFKec=
-golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
+golang.org/x/text v0.38.0 h1:sXmwo9DwP3OK9EZ7PqAdaooSGozfl/3a6/xJcbzPRhE=
-golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
+golang.org/x/text v0.38.0/go.mod h1:YXZt3QhHUKYT53r2lLKFIVi6Ao1jdzrTR/KQ09qyxF4=

internal/exporters/factory.go

@@ -13,6 +13,11 @@ const (
 	FormatMarkdown = "markdown"
 	FormatDocx     = "docx"
 	FormatHTML     = "html"
+
+	// Format aliases accepted by CreateExporter.
+	formatAliasMarkdown = "md"
+	formatAliasDocx     = "word"
+	formatAliasHTML     = "htm"
 )
 
 // Factory implements the ExporterFactory interface.
@@ -41,11 +46,11 @@ func NewFactory(htmlCleaner *services.HTMLCleaner) interfaces.ExporterFactory {
 // Format strings are case-insensitive (e.g., "markdown", "DOCX").
 func (f *Factory) CreateExporter(format string) (interfaces.Exporter, error) {
 	switch strings.ToLower(format) {
-	case FormatMarkdown, "md":
+	case FormatMarkdown, formatAliasMarkdown:
 		return NewMarkdownExporter(f.htmlCleaner), nil
-	case FormatDocx, "word":
+	case FormatDocx, formatAliasDocx:
 		return NewDocxExporter(f.htmlCleaner), nil
-	case FormatHTML, "htm":
+	case FormatHTML, formatAliasHTML:
 		return NewHTMLExporter(f.htmlCleaner), nil
 	default:
 		return nil, fmt.Errorf("unsupported export format: %s", format)
@@ -55,5 +60,9 @@ func (f *Factory) CreateExporter(format string) (interfaces.Exporter, error) {
 // SupportedFormats returns a list of all supported export formats,
 // including both primary format names and their aliases.
 func (f *Factory) SupportedFormats() []string {
-	return []string{FormatMarkdown, "md", FormatDocx, "word", FormatHTML, "htm"}
+	return []string{
+		FormatMarkdown, formatAliasMarkdown,
+		FormatDocx, formatAliasDocx,
+		FormatHTML, formatAliasHTML,
+	}
 }

internal/exporters/html_template_data.go

@@ -21,6 +21,9 @@ const (
 	itemTypeDivider        = "divider"
 )
 
+// lessonTypeSection identifies a lesson that acts as a section header.
+const lessonTypeSection = "section"
+
 // templateData represents the data structure passed to the HTML template.
 type templateData struct {
 	Course   models.CourseInfo
@@ -74,7 +77,7 @@ func prepareTemplateData(course *models.Course, htmlCleaner *services.HTMLCleane
 			Description: lesson.Description,
 		}
 
-		if lesson.Type != "section" {
+		if lesson.Type != lessonTypeSection {
 			lessonCounter++
 			section.Number = lessonCounter
 			section.Items = prepareItems(lesson.Items, htmlCleaner)

internal/exporters/markdown.go

@@ -40,35 +40,35 @@ func (e *MarkdownExporter) Export(course *models.Course, outputPath string) erro
 	var buf bytes.Buffer
 
 	// Write course header
-	buf.WriteString(fmt.Sprintf("# %s\n\n", course.Course.Title))
+	fmt.Fprintf(&buf, "# %s\n\n", course.Course.Title)
 
 	if course.Course.Description != "" {
-		buf.WriteString(fmt.Sprintf("%s\n\n", e.htmlCleaner.CleanHTML(course.Course.Description)))
+		fmt.Fprintf(&buf, "%s\n\n", e.htmlCleaner.CleanHTML(course.Course.Description))
 	}
 
 	// Add metadata
 	buf.WriteString("## Course Information\n\n")
-	buf.WriteString(fmt.Sprintf("- **Course ID**: %s\n", course.Course.ID))
+	fmt.Fprintf(&buf, "- **Course ID**: %s\n", course.Course.ID)
-	buf.WriteString(fmt.Sprintf("- **Share ID**: %s\n", course.ShareID))
+	fmt.Fprintf(&buf, "- **Share ID**: %s\n", course.ShareID)
-	buf.WriteString(fmt.Sprintf("- **Navigation Mode**: %s\n", course.Course.NavigationMode))
+	fmt.Fprintf(&buf, "- **Navigation Mode**: %s\n", course.Course.NavigationMode)
 	if course.Course.ExportSettings != nil {
-		buf.WriteString(fmt.Sprintf("- **Export Format**: %s\n", course.Course.ExportSettings.Format))
+		fmt.Fprintf(&buf, "- **Export Format**: %s\n", course.Course.ExportSettings.Format)
 	}
 	buf.WriteString("\n---\n\n")
 
 	// Process lessons
 	lessonCounter := 0
 	for _, lesson := range course.Course.Lessons {
-		if lesson.Type == "section" {
+		if lesson.Type == lessonTypeSection {
-			buf.WriteString(fmt.Sprintf("# %s\n\n", lesson.Title))
+			fmt.Fprintf(&buf, "# %s\n\n", lesson.Title)
 			continue
 		}
 
 		lessonCounter++
-		buf.WriteString(fmt.Sprintf("## Lesson %d: %s\n\n", lessonCounter, lesson.Title))
+		fmt.Fprintf(&buf, "## Lesson %d: %s\n\n", lessonCounter, lesson.Title)
 
 		if lesson.Description != "" {
-			buf.WriteString(fmt.Sprintf("%s\n\n", e.htmlCleaner.CleanHTML(lesson.Description)))
+			fmt.Fprintf(&buf, "%s\n\n", e.htmlCleaner.CleanHTML(lesson.Description))
 		}
 
 		// Process lesson items
@@ -100,19 +100,19 @@ func (e *MarkdownExporter) processItemToMarkdown(buf *bytes.Buffer, item models.
 	itemType := strings.ToLower(item.Type)
 
 	switch itemType {
-	case "text":
+	case itemTypeText:
 		e.processTextItem(buf, item, headingPrefix)
-	case "list":
+	case itemTypeList:
 		e.processListItem(buf, item)
-	case "multimedia":
+	case itemTypeMultimedia:
 		e.processMultimediaItem(buf, item, headingPrefix)
-	case "image":
+	case itemTypeImage:
 		e.processImageItem(buf, item, headingPrefix)
-	case "knowledgecheck":
+	case itemTypeKnowledgeCheck:
 		e.processKnowledgeCheckItem(buf, item, headingPrefix)
-	case "interactive":
+	case itemTypeInteractive:
 		e.processInteractiveItem(buf, item, headingPrefix)
-	case "divider":
+	case itemTypeDivider:
 		e.processDividerItem(buf)
 	default:
 		e.processUnknownItem(buf, item, headingPrefix)

internal/services/parser.go

@@ -15,6 +15,12 @@ import (
 	"github.com/kjanat/articulate-parser/internal/models"
 )
 
+// Default endpoint configuration for the Articulate Rise API.
+const (
+	riseHost       = "rise.articulate.com"
+	defaultBaseURL = "https://" + riseHost
+)
+
 // shareIDRegex is compiled once at package init for extracting share IDs from URIs.
 var shareIDRegex = regexp.MustCompile(`/share/([a-zA-Z0-9_-]+)`)
 
@@ -37,7 +43,7 @@ func NewArticulateParser(logger interfaces.Logger, baseURL string, timeout time.
 		logger = NewNoOpLogger()
 	}
 	if baseURL == "" {
-		baseURL = "https://rise.articulate.com"
+		baseURL = defaultBaseURL
 	}
 	if timeout == 0 {
 		timeout = 30 * time.Second
@@ -132,7 +138,7 @@ func (p *ArticulateParser) extractShareID(uri string) (string, error) {
 	}
 
 	// Validate that it's an Articulate Rise domain
-	if parsedURL.Host != "rise.articulate.com" {
+	if parsedURL.Host != riseHost {
 		return "", fmt.Errorf("invalid domain for Articulate Rise URI: %s", parsedURL.Host)
 	}