chore: update workflow

Author: yanglbme

.github/workflows/docker.yml

@@ -4,7 +4,17 @@ on:
   push:
     branches:
       - main
+    paths:
+      - 'docker/**'
+      - 'scripts/**'
+      - '.github/workflows/docker.yml'
   workflow_dispatch:
+    inputs:
+      versions:
+        description: '要构建的版本（空格分隔，如: 2.1.0 latest）留空则构建最新3个版本+latest'
+        required: false
+        type: string
+        default: ''
 
 jobs:
   build:
@@ -26,6 +36,8 @@ jobs:
         password: ${{ secrets.DOCKER_PASSWORD }}
 
     - name: Build and push multi-arch images
+      env:
+        BUILD_VERSIONS: ${{ github.event.inputs.versions }}
       run: |
         chmod +x scripts/build-multiarch.sh
         bash scripts/build-multiarch.sh

scripts/build-multiarch.sh

@@ -6,13 +6,22 @@ RELEASE_DIR="./docker"
 REPO_NAME="doocs/md"
 PLATFORMS="linux/amd64,linux/arm64"
 
+# 可以通过环境变量指定要构建的版本，用空格分隔
+# 例如: BUILD_VERSIONS="2.1.0 latest" ./build-multiarch.sh
+# 如果不指定，默认只构建最新的 3 个版本
+if [ -z "${BUILD_VERSIONS:-}" ]; then
+    BUILD_VERSIONS=$(ls -1 "$RELEASE_DIR" | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$|^latest$' | sort -V | tail -3)
+    BUILD_VERSIONS="$BUILD_VERSIONS latest"
+fi
+
 echo "🔧 Multi-arch Docker build started..."
 echo "📁 Scanning directory: $RELEASE_DIR"
+echo "🎯 Versions to build: $BUILD_VERSIONS"
 
-for app_ver in "$RELEASE_DIR"/*; do
+for tag in $BUILD_VERSIONS; do
+    app_ver="$RELEASE_DIR/$tag"
     [ -d "$app_ver" ] || continue
 
-    tag=$(basename "$app_ver")
     env_file="$app_ver/.env"
 
     if [ ! -f "$env_file" ]; then