Use yaml anchors for workflow (#316)

Author: cdce8p

.github/workflows/builder.yml

@@ -17,7 +17,7 @@ env:
 jobs:
   init:
     name: Initialize build
-    runs-on: ubuntu-24.04
+    runs-on: &runs-on-ubuntu ubuntu-24.04
     outputs:
       architectures_alpine: ${{ steps.info_alpine.outputs.architectures }}
       architectures_debian: ${{ steps.info_debian.outputs.architectures }}
@@ -63,8 +63,8 @@ jobs:
   build_alpine:
     name: Build ${{ matrix.arch }} alpine ${{ matrix.version }} base image
     needs: init
-    runs-on: ubuntu-24.04
-    permissions:
+    runs-on: *runs-on-ubuntu
+    permissions: &permissions
       contents: read
       id-token: write
       packages: write
@@ -73,10 +73,12 @@ jobs:
         arch: ${{ fromJson(needs.init.outputs.architectures_alpine) }}
         version: ["3.19", "3.20", "3.21", "3.22"]
     steps:
-      - name: Checkout the repository
+      - &checkout
+        name: Checkout the repository
         uses: actions/[email protected]
 
-      - name: Login to GitHub Container Registry
+      - &login-container-registry
+        name: Login to GitHub Container Registry
         if: github.event_name == 'release'
         uses: docker/login-action@v3
         with:
@@ -107,26 +109,15 @@ jobs:
   build_debian:
     name: Build ${{ matrix.arch }} debian ${{ matrix.version }} base image
     needs: init
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
+    runs-on: *runs-on-ubuntu
+    permissions: *permissions
     strategy:
       matrix:
         arch: ${{ fromJson(needs.init.outputs.architectures_debian) }}
         version: ["bookworm", "trixie"]
     steps:
-      - name: Checkout the repository
-        uses: actions/[email protected]
-
-      - name: Login to GitHub Container Registry
-        if: github.event_name == 'release'
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+      - *checkout
+      - *login-container-registry
 
       - name: Set build arguments
         shell: bash
@@ -152,26 +143,15 @@ jobs:
   build_ubuntu:
     name: Build ${{ matrix.arch }} ubuntu ${{ matrix.version }} base image
     needs: init
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
+    runs-on: *runs-on-ubuntu
+    permissions: *permissions
     strategy:
       matrix:
         arch: ${{ fromJson(needs.init.outputs.architectures_ubuntu) }}
         version: ["16.04", "18.04", "20.04", "22.04", "24.04"]
     steps:
-      - name: Checkout the repository
-        uses: actions/[email protected]
-
-      - name: Login to GitHub Container Registry
-        if: github.event_name == 'release'
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+      - *checkout
+      - *login-container-registry
 
       - name: Set build arguments
         shell: bash
@@ -196,26 +176,15 @@ jobs:
   build_raspbian:
     name: Build ${{ matrix.arch }} raspbian ${{ matrix.version }} base image
     needs: init
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
+    runs-on: *runs-on-ubuntu
+    permissions: *permissions
     strategy:
       matrix:
         arch: ${{ fromJson(needs.init.outputs.architectures_raspbian) }}
         version: ["bookworm", "trixie"]
     steps:
-      - name: Checkout the repository
-        uses: actions/[email protected]
-
-      - name: Login to GitHub Container Registry
-        if: github.event_name == 'release'
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+      - *checkout
+      - *login-container-registry
 
       - name: Set build arguments
         shell: bash
@@ -241,28 +210,17 @@ jobs:
   build_python:
     name: Build ${{ matrix.arch }} alpine ${{ matrix.version }} - python ${{ matrix.python }} base image
     needs: [init, build_alpine]
-    runs-on: ubuntu-24.04
-    permissions:
-      contents: read
-      id-token: write
-      packages: write
+    runs-on: *runs-on-ubuntu
+    permissions: *permissions
     strategy:
       fail-fast: false
       matrix:
         arch: ${{ fromJson(needs.init.outputs.architectures_alpine) }}
         version: ["3.20", "3.21", "3.22"]
         python: ["3.11", "3.12", "3.13"]
     steps:
-      - name: Checkout the repository
-        uses: actions/[email protected]
-
-      - name: Login to GitHub Container Registry
-        if: github.event_name == 'release'
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+      - *checkout
+      - *login-container-registry
 
       - name: Set build arguments
         shell: bash