Add n8n

software/workflow/n8n/.env.example

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+# n8n environment variables
+N8N_HOST=n8n.example.com
+N8N_PORT=5678
+WEBHOOK_TUNNEL_URL=https://n8n.example.com # if you want public webhooks
+
+# n8n encryption key
+N8N_ENCRYPTION_KEY=1234567890abcdef1234567890abcdef
+
+# n8n user authentication
+N8N_BASIC_AUTH_ACTIVE=true
+N8N_BASIC_AUTH_USER=admin
+N8N_BASIC_AUTH_PASSWORD=supersecretpassword
+
+# Database
+DB_TYPE=postgresdb
+DB_POSTGRESDB_HOST=db
+DB_POSTGRESDB_PORT=5432
+DB_POSTGRESDB_DATABASE=n8n
+DB_POSTGRESDB_USER=n8n
+DB_POSTGRESDB_PASSWORD=n8npassword
+
+# Other settings
+GENERIC_TIMEZONE=America/Los_Angeles

software/workflow/n8n/.gitignore

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+.env

software/workflow/n8n/README.md

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+# N8N
+Workflow automation, selfhosted. See `https://github.com/n8n-io/n8n`.
+
+## Setup
+1. After folder structure is created, first time setup will fail because we don't have access to the file system. 
+  - give ownership to user 1000, or set a specific user for n8n to run as.

software/workflow/n8n/docker-compose.yml

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+networks:
+  traefik:
+    external: true
+  n8n:
+    driver: bridge
+
+services:
+  n8n:
+    image: n8nio/n8n
+    container_name: n8n
+    restart: unless-stopped
+    networks:
+      - n8n
+      - traefik
+    environment:
+      - N8N_HOST=${N8N_HOST}
+      - N8N_PORT=${N8N_PORT}
+      - WEBHOOK_TUNNEL_URL=${WEBHOOK_TUNNEL_URL}
+      - N8N_BASIC_AUTH_ACTIVE=${N8N_BASIC_AUTH_ACTIVE}
+      - N8N_BASIC_AUTH_USER=${N8N_BASIC_AUTH_USER}
+      - N8N_BASIC_AUTH_PASSWORD=${N8N_BASIC_AUTH_PASSWORD}
+      - N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
+      - DB_TYPE=${DB_TYPE}
+      - DB_POSTGRESDB_HOST=${DB_POSTGRESDB_HOST}
+      - DB_POSTGRESDB_PORT=${DB_POSTGRESDB_PORT}
+      - DB_POSTGRESDB_DATABASE=${DB_POSTGRESDB_DATABASE}
+      - DB_POSTGRESDB_USER=${DB_POSTGRESDB_USER}
+      - DB_POSTGRESDB_PASSWORD=${DB_POSTGRESDB_PASSWORD}
+      - GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
+    volumes:
+      - /pwspool/software/n8n/.n8n:/home/node/.n8n
+    depends_on:
+      - db
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.n8n.rule=Host(`n8n.whitney.rip`)"
+      - "traefik.http.routers.n8n.entrypoints=websecure"
+      - "traefik.http.routers.n8n.tls=true"
+      - "traefik.http.routers.n8n.tls.certresolver=lets-encrypt"
+      - "traefik.http.services.n8n.loadbalancer.server.port=5678"
+
+  db:
+    image: postgres:15
+    container_name: n8n-db
+    restart: unless-stopped
+    networks:
+      - n8n
+    environment:
+      POSTGRES_USER: ${DB_POSTGRESDB_USER}
+      POSTGRES_PASSWORD: ${DB_POSTGRESDB_PASSWORD}
+      POSTGRES_DB: ${DB_POSTGRESDB_DATABASE}
+    volumes:
+      - /pwspool/software/n8n/data:/var/lib/postgresql/data
+