✨ gitea的runner参数化，可以通过docker-compose.yml进行配置

🐛 修复`Dockerfile`缺少系统包

docker-runner/common/register.sh

@@ -20,12 +20,17 @@ echo ""
 
 # 获取注册信息并验证
 while true; do
-    read -p "Enter Gitea instance URL (e.g., https://gitea.example.com): " GITEA_INSTANCE
+    if [ -n "${GITEA_INSTANCE:-}" ]; then
+        echo "Using Gitea instance from env: $GITEA_INSTANCE"
+    else
+        read -p "Enter Gitea instance URL (e.g., https://gitea.example.com): " GITEA_INSTANCE
+    fi
 
     # 验证 URL 格式
     if [[ ! "$GITEA_INSTANCE" =~ ^https?:// ]]; then
         echo "✗ Error: URL must start with http:// or https://"
         echo ""
+        unset GITEA_INSTANCE
         continue
     fi
 
@@ -35,15 +40,20 @@ while true; do
     break
 done
 
-read -p "Enter registration token: " GITEA_TOKEN
+if [ -n "${GITEA_TOKEN:-}" ]; then
+    echo "Using registration token from env."
+else
+    read -p "Enter registration token: " GITEA_TOKEN
+fi
 
 if [ -z "$GITEA_TOKEN" ]; then
     echo "✗ Error: Token cannot be empty!"
     exit 1
 fi
 
-read -p "Enter runner name (default: docker-runner): " RUNNER_NAME
-RUNNER_NAME=${RUNNER_NAME:-docker-runner}
+DEFAULT_NAME="${DEFAULT_RUNNER_NAME:-docker-runner}"
+read -p "Enter runner name (default: $DEFAULT_NAME): " RUNNER_NAME
+RUNNER_NAME=${RUNNER_NAME:-$DEFAULT_NAME}
 
 # 多个 label（逗号分隔，无空格）
 # ubuntu-22.04:host://ubuntu:22.04,ubuntu-20.04:host://ubuntu:20.04,node:docker://node:18