This week, I learned a tough (and humbling) lesson. I spent over 24 hours building an AI agent POC with help from the brilliant @Chase Aldridge — everything was running smooth on an n8n instance I deployed to Railway... until it wasn’t. Instead of using localhost, I opted to deploy n8n directly to Railway (easy, right?). After getting 95% of the way there, I hit a snag: webhook URLs were defaulting to localhost:5678, making external access a no-go. ✅ Solution: I added the following environment variables: N8N_LISTEN_ADDRESS :: WEBHOOK_URL = https://${{RAILWAY_PUBLIC_DOMAIN}} N8N_EDITOR_BASE_URL = https://${{RAILWAY_PUBLIC_DOMAIN}} 👉 If you're enabling MCP, don’t forget these too: N8N_COMMUNITY_PACKAGES_ALLOW_TOOL_USAGE = true N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS = true N8N_RUNNERS_ENABLED = true But here’s where it went south… After updating the variables, I deployed the changes — and boom, I got redirected to the n8n setup page. Everything I built was gone. The deployment had wiped my config. And yeah… I hadn’t backed anything up. The posstive out of this is that. I was able to recreate what I had lost which re-enforced what I've learned during my session with @Chase Aldridge and got n8n url working as intended 😎 📌 Lesson of the week: As a seasoned IT pro, I ignored my own golden rule: 1. 1 - Always back up your data. Then back up your backups. And test those backups. 😓 2. 2 - Document your work, including screenshots 3. 3 - Understand the platform you are working on - RFTM 4. 4 - If possible, spin up a new environment for testing before deploying to working instance. 5. Hope this saves someone else a headache. 💥

Been the best 5 months of my life so far... You guys make it all possible

Hi everyone, I’m currently working with four separate calendars in my daily workflow, and it’s becoming increasingly difficult to manage them without overlapping events. To simplify things, I’d like to create a workflow in n8n that synchronizes events from all these individual calendars into one target calendar. The goal is to have a consolidated view of all events in one calendar, avoiding duplicates and ensuring that no events are lost or overwritten. However, despite my attempts, I haven’t been able to set up the workflow correctly. I’ve tried fetching events from multiple calendars and comparing them against the target calendar, but I’m stuck figuring out how to ensure only new events are added (without duplicating already existing ones). Does anyone have tips, resources, or video tutorials that could help with this? Or maybe someone has worked on a similar workflow and could share their approach? Any guidance would be greatly appreciated! Thank you in advance! 😊