Fix Dockerfile for Hugging Face Spaces compatibility

Dockerfile

@@ -1,35 +1,8 @@
-FROM node:24-alpine
+FROM node:20-alpine
 
 # Set user to root for installation
 USER root
 
-# Arguments that can be passed at build time
-ARG N8N_PATH=/usr/local/lib/node_modules/n8n
-ARG BASE_PATH=/data/.n8n
-ARG DATABASE_PATH=$BASE_PATH/database
-ARG CONFIG_PATH=$BASE_PATH/config
-ARG WORKFLOWS_PATH=$BASE_PATH/workflows
-ARG LOGS_PATH=$BASE_PATH/logs
-ARG N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=$N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS
-ARG N8N_RUNNERS_ENABLED=true
-ARG allowVulnerableTags=true
-ARG N8N_HOST=$N8N_HOST
-ARG N8N_PORT=$N8N_PORT
-ARG N8N_PROTOCOL=https
-ARG N8N_EDITOR_BASE_URL=$N8N_EDITOR_BASE_URL
-ARG WEBHOOK_URL=$WEBHOOK_URL
-ARG GENERIC_TIMEZONE=$GENERIC_TIMEZONE
-ARG TZ=$TZ
-ARG N8N_ENCRYPTION_KEY=$N8N_ENCRYPTION_KEY
-ARG DB_TYPE=$DB_TYPE
-ARG DB_POSTGRESDB_SCHEMA=$DB_POSTGRESDB_SCHEMA
-ARG DB_POSTGRESDB_HOST=$DB_POSTGRESDB_HOST
-ARG DB_POSTGRESDB_DATABASE=$DB_POSTGRESDB_DATABASE
-ARG DB_POSTGRESDB_PORT=$DB_POSTGRESDB_PORT
-ARG DB_POSTGRESDB_USER=$DB_POSTGRESDB_USER
-ARG DB_POSTGRESDB_PASSWORD=$DB_POSTGRESDB_PASSWORD
-ARG NODE_FUNCTION_ALLOW_BUILTIN=*
-ARG NODE_FUNCTION_ALLOW_EXTERNAL=*
 # Install system dependencies
 RUN apk add --no-cache \
     git \
@@ -42,23 +15,30 @@ RUN apk add --no-cache \
     pango-dev \
     chromium \
     postgresql-client \
-    yt-dlp
+    yt-dlp \
+    su-exec
 
 # Set environment variables
 ENV PUPPETEER_SKIP_DOWNLOAD=true
 ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
-ENV N8N_USER_FOLDER=$BASE_PATH
-
+ENV N8N_USER_FOLDER=/home/node/.n8n
+ENV N8N_PORT=7860
 
 # Install n8n globally
-RUN npm install -g n8n@2.19.5
+RUN npm install -g n8n@latest
 
-# Create necessary directories
-RUN mkdir -p $BASE_PATH \
-    && chmod -R 777 $BASE_PATH
+# Create necessary directories and set permissions
+RUN mkdir -p /home/node/.n8n && \
+    chown -R node:node /home/node/.n8n
 
 # Set working directory
-WORKDIR /data
+WORKDIR /home/node
+
+# Hugging Face Spaces uses port 7860 by default
+EXPOSE 7860
+
+# Switch to non-root user
+USER node
 
 # Start n8n
-CMD ["n8n", "start"]
+CMD ["n8n", "start"]