Update Dockerfile

Dockerfile

@@ -1,45 +1,88 @@
+###############################################################################
+# n8n on Hugging-Face 🔹 gzip compression HARD-OFF using Custom Extension
+###############################################################################
 FROM docker.n8n.io/n8nio/n8n:latest
 
+# Base environment variables
 ENV N8N_HOST=0.0.0.0 \
     N8N_PROTOCOL=http \
     DB_TYPE=sqlite \
+    DB_SQLITE_DATABASE=/home/node/.n8n/database.sqlite \
     N8N_DISABLE_PRODUCTION_MAIN_PROCESS_RESPONSE_COMPRESSION=true \
     N8N_DISABLE_PRODUCTION_WEBHOOK_RESPONSE_COMPRESSION=true \
-    N8N_LOG_LEVEL=debug
+    N8N_BASIC_AUTH_ACTIVE=false \
+    N8N_USER_MANAGEMENT_DISABLED=true \
+    N8N_LOG_LEVEL=debug \
+    N8N_CUSTOM_EXTENSIONS=/home/node/n8n-custom # <-- Crucial for loading extensions
 
-################## 1. create preload script ##################
+# ────────────────────── 1. Create Custom Extension Structure ──────────────────────
 USER node
-RUN echo "/* kill gzip globally */\
-const Module=require('module');\
-Module._cache[require.resolve('compression')]={exports:()=>(_req,_res,next)=>next()};\
-process.env.DISABLE_COMPRESSION_PATCH='loaded';" \
-> /home/node/disable-gzip-preload.js
+# Create the directory for custom extensions
+RUN mkdir -p /home/node/n8n-custom/disable-gzip
 
-################## 2. tell node to preload it ################
-ENV NODE_OPTIONS="--require=/home/node/disable-gzip-preload.js"
+# Create package.json file for the extension (n8n loader needs this)
+RUN printf '{\n  "name": "disable-gzip",\n  "version": "1.0.0",\n  "main": "index.js"\n}\n' \
+    > /home/node/n8n-custom/disable-gzip/package.json
 
-################## 3. start script for HF public URL #########
+# Create index.js file with the logic to disable compression
+RUN cat >/home/node/n8n-custom/disable-gzip/index.js <<'JS'
+module.exports = {
+  init(app) {
+    // Safely remove compression middleware from Express stack
+    if (app?._router?.stack) {
+      const initialStackLength = app._router.stack.length;
+      app._router.stack = app._router.stack.filter(
+        (layer) => !(layer.handle && layer.handle.name === 'compression')
+      );
+      console.log(`🗜️  Removed compression middleware • stack ${initialStackLength} → ${app._router.stack.length}`);
+    }
+
+    // Globally ensure no Content-Encoding header is set and prevent proxy transformation
+    app.use((_req, res, next) => {
+      res.removeHeader('Content-Encoding');
+      res.setHeader('Cache-Control', 'no-transform'); // Important for proxies
+      next();
+    });
+
+    console.log('✅  Custom extension loaded → gzip disabled globally');
+  },
+};
+JS
+
+# ────────────────────── 2. Configure start-script for Hugging Face Spaces ──────────────────────
 USER root
+# Create and make the start script executable
 RUN cat >/usr/local/bin/start.sh <<'SH' && chmod +x /usr/local/bin/start.sh
 #!/usr/bin/env sh
 set -eu
-export N8N_PORT="${PORT:-7860}"
 
+# Set the port, defaulting to 7860 if not provided by HF
+N8N_PORT="${PORT:-7860}"
+export N8N_PORT
+
+# Determine the public URL for Hugging Face Spaces
 if [ -n "${SPACE_ID:-}" ]; then
-  APP_URL="https://$(echo "$SPACE_ID" | tr '/_' '-').hf.space"
+  # Convert "user/repo" to "user-repo.hf.space"
+  SPACE_SLUG=$(printf '%s' "$SPACE_ID" | tr '/_' '-')
+  APP_URL="https://${SPACE_SLUG}.hf.space"
 else
+  # Fallback for local testing or environments without SPACE_ID
   APP_URL="http://localhost:${N8N_PORT}"
 fi
 
+# Export necessary URLs for n8n
 export N8N_BASE_URL="$APP_URL"
 export WEBHOOK_URL="$APP_URL"
 export N8N_EDITOR_BASE_URL="$APP_URL"
 
 echo "🚀  n8n starting  • public $APP_URL"
-echo "🗜️  gzip disabled via NODE_OPTIONS preload"
+echo "🗜️  gzip disabled via N8N_CUSTOM_EXTENSIONS" # Log indicating the method used
 exec n8n start
 SH
 
+# Expose the default n8n port
 EXPOSE 7860
+
+# Set the entrypoint and default command
 ENTRYPOINT ["tini", "--"]
 CMD ["start.sh"]