[CONFIG] [FIX] yamllint warnings and errors fixed.

False positive in "on:" adrienverge/yamllint#430 (comment)
Can't use "%YAML 1.2" directive because brakes Github Actions

How to split long command as multiple lines (cross-SO way) https://stackoverflow.com/a/65808412/6366150

.github/dependabot.yml

@@ -2,6 +2,7 @@
 # package ecosystems to update and where the package manifests are located.
 # Please see the documentation for all configuration options:
 # https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+---
 
 version: 2
 updates:

.github/workflows/codeql-analysis.yml

@@ -9,14 +9,16 @@
 # the `language` matrix defined below to confirm you have the correct set of
 # supported CodeQL languages.
 #
+---
+
 name: "CodeQL"
 
-on:
+on: # yamllint disable-line rule:truthy
   push:
-    branches: [ "main", "develop", "feature/*" ]
+    branches: ["main", "develop", "feature/*"]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ "main" ]
+    branches: ["main"]
   schedule:
     #        ┌───────────── minute (0 - 59)
     #        │  ┌───────────── hour (0 - 23)
@@ -37,7 +39,8 @@ jobs:
     #   - https://gh.io/supported-runners-and-hardware-resources
     #   - https://gh.io/using-larger-runners
     # Consider using larger runners for possible analysis time improvements.
-    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    runs-on:
+      ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
     timeout-minutes: ${{ (matrix.language == 'swift' && 120) || 360 }}
     permissions:
       actions: read
@@ -47,45 +50,50 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: [ 'go' ]
+        language: ['go']
+        # yamllint disable rule:line-length
         # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift' ]
         # Use only 'java' to analyze code written in Java, Kotlin or both
         # Use only 'javascript' to analyze code written in JavaScript, TypeScript or both
         # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
-
+        # yamllint enable rule:line-length
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
+      # Initializes the CodeQL tools for scanning.
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+          # yamllint disable rule:line-length
+          # If you wish to specify custom queries, you can do so here or in a config file.
+          # By default, queries listed here will override any specified in a config file.
+          # Prefix the list here with "+" to use these queries and those in the config file.
 
-        # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
-        # queries: security-extended,security-and-quality
+          # For more details on CodeQL's query packs, refer to: https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
+          # queries: security-extended,security-and-quality
+          # yamllint enable rule:line-length
 
+      # yamllint disable rule:line-length
+      # Autobuild attempts to build any compiled languages (C/C++, C#, Go, Java, or Swift).
+      # If this step fails, then you should remove it and run the build manually (see below)
 
-    # Autobuild attempts to build any compiled languages (C/C++, C#, Go, Java, or Swift).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v3
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v3
 
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+      # ℹ️ Command-line programs to run using the OS shell.
+      # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
 
-    #   If the Autobuild fails above, remove it and uncomment the following three lines.
-    #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+      #   If the Autobuild fails above, remove it and uncomment the following three lines.
+      #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
 
-    # - run: |
-    #     echo "Run, Build Application using script"
-    #     ./location_of_script_within_repo/buildscript.sh
+      # - run: |
+      #     echo "Run, Build Application using script"
+      #     ./location_of_script_within_repo/buildscript.sh
+      # yamllint enable rule:line-length
 
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
-      with:
-        category: "/language:${{matrix.language}}"
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: "/language:${{matrix.language}}"

.github/workflows/docker-image.yml

@@ -1,10 +1,12 @@
+---
+
 name: Docker Image CI
 
-on:
+on: # yamllint disable-line rule:truthy
   push:
-    branches: [ "main", "develop", "feature/*" ]
+    branches: ["main", "develop", "feature/*"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 jobs:
 
@@ -14,30 +16,36 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    #- name: Build the Docker image
-    #  run: docker build . --file Dockerfile --tag algorithm-exercises-go:${{ github.sha }}
-    - name: Build the Docker image
-      run: make compose/rebuild
-    - name: Run test in Docker image
-      run: make compose/run
-    - name: Tag Docker image
-      run: docker tag algorithm-exercises-go:latest algorithm-exercises-go:${{ github.sha }}
-
-    - name: Run Snyk to check Docker image for vulnerabilities
-      # Snyk can be used to break the build when it detects vulnerabilities.
-      # In this case we want to upload the issues to GitHub Code Scanning
-      continue-on-error: true
-      uses: snyk/actions/docker@master
-      env:
-        # In order to use the Snyk Action you will need to have a Snyk API token.
-        # See https://docs.snyk.io/integrations/ci-cd-integrations/github-actions-integration#getting-your-snyk-token
-        # or you can sign up for free at https://snyk.io/login
-        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
-      with:
-        image: algorithm-exercises-go:latest
-        args: --file=Dockerfile
-    # - name: Upload result to GitHub Code Scanning
-    #   uses: github/codeql-action/upload-sarif@v2
-    #   with:
-    #     sarif_file: snyk.sarif
+      - uses: actions/checkout@v4
+      - name: Build the Docker image
+        run: make compose/rebuild
+      - name: Run static checks in Docker image
+        run: make compose/lint
+      - name: Run test in Docker image
+        run: make compose/run
+      - name: Tag Docker image
+        run: >
+          docker tag
+          algorithm-exercises-go:latest
+          algorithm-exercises-go:${{ github.sha }}
+      - name: Run Snyk to check Docker image for vulnerabilities
+        # Snyk can be used to break the build when it detects vulnerabilities.
+        # In this case we want to upload the issues to GitHub Code Scanning
+        continue-on-error: true
+        uses: snyk/actions/docker@master
+        env:
+          # yamllint disable rule:line-length
+          # In order to use the Snyk Action you will need to have a Snyk API token.
+          # See https://docs.snyk.io/integrations/ci-cd-integrations/github-actions-integration#getting-your-snyk-token
+          # or you can sign up for free at https://snyk.io/login
+          # yamllint enable rule:line-length
+          SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+        with:
+          image: algorithm-exercises-go:latest
+          args: --file=Dockerfile
+      # yamllint disable rule:comments-indentation
+      # - name: Upload result to GitHub Code Scanning
+      #   uses: github/codeql-action/upload-sarif@v2
+      #   with:
+      #     sarif_file: snyk.sarif
+      # yamllint enable rule:comments-indentation

.github/workflows/gitleaks.yml

@@ -1,5 +1,8 @@
+---
+
 name: gitleaks
-on:
+
+on: # yamllint disable-line rule:truthy
   pull_request:
   push:
   workflow_dispatch:
@@ -16,4 +19,5 @@ jobs:
       - uses: gitleaks/gitleaks-action@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          # GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE}} # Only required for Organizations, not personal accounts.
+          # Only required for Organizations, not personal accounts.
+          # GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE}}

.github/workflows/go-coverage.yml

@@ -1,10 +1,12 @@
+---
+
 name: Go CI Coverage
 
-on:
+on: # yamllint disable-line rule:truthy
   push:
-    branches: [ "main", "develop", "feature/*" ]
+    branches: ["main", "develop", "feature/*"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 env:
   LOG_LEVEL: WARN
@@ -20,32 +22,36 @@ jobs:
         go: ["1.22.x"]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
-      with:
-        fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: Build
-      run: go build -v ./...
-
-    - name: Test
-      run: go test -v -covermode=atomic -coverprofile="coverage.out" ./src/pkg/...
-
-    - name: Coverage
-      run: go tool cover -func="coverage.out"
-
-    - name: Upload coverage reports to Codecov with GitHub Action
-      uses: codecov/codecov-action@v4
-      with:
-        token: ${{ secrets.CODECOV_TOKEN }} # required
-        verbose: true # optional (default = false)
-
-    - name: Analyze with SonarCloud
-      uses: SonarSource/sonarcloud-github-action@master
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+      - uses: actions/checkout@v4
+        with:
+          # Shallow clones should be disabled for a better relevancy of analysis
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Test
+        run: >
+          go test -v -covermode=atomic -coverprofile="coverage.out"
+          ./src/pkg/...
+
+      - name: Coverage
+        run: go tool cover -func="coverage.out"
+
+      - name: Upload coverage reports to Codecov with GitHub Action
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }} # required
+          verbose: true # optional (default = false)
+
+      - name: Analyze with SonarCloud
+        uses: SonarSource/sonarcloud-github-action@master
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          # Needed to get PR information, if any
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/go.yml

@@ -1,10 +1,12 @@
+---
+
 name: Go CI Tests
 
-on:
+on: # yamllint disable-line rule:truthy
   push:
-    branches: [ "main", "develop", "feature/*" ]
+    branches: ["main", "develop", "feature/*"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 env:
   LOG_LEVEL: WARN
@@ -24,28 +26,28 @@ jobs:
         go: ["1.20.x", "1.21.x", "1.22.x"]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-    - name: Set up Go
-      uses: actions/setup-go@v5
-      with:
-        go-version: ${{ matrix.go }}
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
 
-    - name: Build
-      run: go build -v ./...
+      - name: Build
+        run: go build -v ./...
 
-    - name: Lint (gofmt)
-      run: gofmt -l . && echo '✔  Your code looks good.'
+      - name: Lint (gofmt)
+        run: gofmt -l . && echo '✔  Your code looks good.'
 
-    - name: Lint (go vet)
-      run: go vet -v ./...
+      - name: Lint (go vet)
+        run: go vet -v ./...
 
-    - name: Lint golangci-lint
-      uses: golangci/golangci-lint-action@v6
-      with:
-        args: --timeout=10m
-        version: v1.58.1
-        skip-cache: true
+      - name: Lint golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          args: --timeout=10m
+          version: v1.58.1
+          skip-cache: true
 
-    - name: Test
-      run: go test -v -coverprofile="coverage.out" ./...
+      - name: Test
+        run: go test -v -coverprofile="coverage.out" ./...