feat: add comprehensive Docker support with multi-stage builds and compose configurations

docker/docker-entrypoint.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+set -e
+
+# Environment variable validation
+if [ "$MCP_MODE" = "http" ] && [ -z "$AUTH_TOKEN" ]; then
+    echo "ERROR: AUTH_TOKEN is required for HTTP mode"
+    exit 1
+fi
+
+# Database initialization with file locking to prevent race conditions
+if [ ! -f "/app/data/nodes.db" ]; then
+    echo "Database not found. Initializing..."
+    # Use a lock file to prevent multiple containers from initializing simultaneously
+    (
+        flock -x 200
+        # Double-check inside the lock
+        if [ ! -f "/app/data/nodes.db" ]; then
+            echo "Initializing database..."
+            cd /app && node dist/scripts/rebuild.js || {
+                echo "ERROR: Database initialization failed"
+                exit 1
+            }
+        fi
+    ) 200>/app/data/.db.lock
+fi
+
+# Fix permissions if running as root (for development)
+if [ "$(id -u)" = "0" ]; then
+    echo "Running as root, fixing permissions..."
+    chown -R nodejs:nodejs /app/data
+    # Switch to nodejs user
+    exec su-exec nodejs "$@"
+fi
+
+# Trap signals for graceful shutdown
+trap 'echo "Shutting down..."; kill -TERM $PID' TERM INT
+
+# Execute the main command in background
+"$@" &
+PID=$!
+wait $PID