Update Dockerfile

Dockerfile

@@ -1,21 +1,42 @@
-ARG N8N_VERSION=stable
+# =============================================
+# n8n on Hugging Face Spaces
+# =============================================
+FROM node:18-alpine
 
-FROM docker.n8n.io/n8nio/n8n:$N8N_VERSION
+# Install system dependencies
+RUN apk add --no-cache \
+    git \
+    curl \
+    tzdata \
+    ca-certificates
 
-LABEL maintainer="Xiaoliang <xiaoliang.zero@gmail.com>"
+# Create a non-root user with UID 1001 (1000 is taken by 'node' in this image)
+RUN addgroup -S n8n && adduser -S -G n8n -u 1001 n8n
 
-ENV N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true \
-    N8N_RUNNERS_ENABLED=true \
-    N8N_PROXY_HOPS=1
+# Install n8n globally
+RUN npm install -g n8n
 
-# https://huggingface.co/docs/hub/spaces-sdks-docker#permissions
-# The container runs with user ID 1000.
-# node docker image already has a user named node with ID 1000.
-USER node
+# Set working directory & data path
+ENV N8N_USER_FOLDER=/home/n8n/.n8n
+RUN mkdir -p /home/n8n/.n8n && chown -R n8n:n8n /home/n8n
 
-VOLUME ["$HOME/.n8n"]
+# Switch to non-root user
+USER n8n
+WORKDIR /home/n8n
 
-# n8n default port
-EXPOSE 5678
+# ── Core n8n settings ──────────────────────
+ENV N8N_PORT=7860
+ENV N8N_PROTOCOL=https
+ENV N8N_HOST=0.0.0.0
+ENV NODE_ENV=production
+ENV NODE_FUNCTION_ALLOW_BUILTIN=*
+ENV NODE_FUNCTION_ALLOW_EXTERNAL=*
 
-ENTRYPOINT ["tini", "--", "/docker-entrypoint.sh"]
+# ── Fix iframe embed in HF Spaces ──────────
+ENV N8N_SKIP_WEBHOOK_DEREGISTRATION_SHUTDOWN=true
+ENV EXECUTIONS_PROCESS=main
+
+# Expose the port HF Spaces expects
+EXPOSE 7860
+
+CMD ["n8n", "start"]