feat: add k3s-inside-dind

builds/k3s-inside-dind/entrypoint.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+set -e
+
+dockerd-entrypoint.sh &
+DOCKER_PID=$!
+
+echo "Waiting for Docker daemon..."
+timeout=30
+while ! docker info > /dev/null 2>&1; do
+    timeout=$(($timeout - 1))
+    if [ $timeout -eq 0 ]; then
+        echo "Timed out waiting for Docker daemon to start"
+        exit 1
+    fi
+    sleep 1
+done
+echo "Docker is ready."
+
+echo "Starting K3s..."
+exec k3s server \
+    --snapshotter=native \
+    --disable=traefik \
+    --write-kubeconfig-mode=644 \
+    --https-listen-port=6443 \
+    "$@"