Add n8n automation stack

n8n/.env.example

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+POSTGRES_USER=n8n
+POSTGRES_PASSWORD=change-me
+POSTGRES_DB=n8n
+N8N_BASIC_AUTH_USER=admin
+N8N_BASIC_AUTH_PASSWORD=change-me
+N8N_ENCRYPTION_KEY=change-me-to-a-random-32-char-string
+N8N_HOST=192.168.100.6
+TZ=Asia/Tehran

n8n/docker-compose.yaml

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+services:
+  postgres:
+    image: postgres:17
+    container_name: n8n-postgres
+    restart: unless-stopped
+    env_file:
+      - .env
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_DB}
+    volumes:
+      - ./postgres:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  n8n:
+    image: n8nio/n8n:latest
+    container_name: n8n
+    restart: unless-stopped
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+    env_file:
+      - .env
+
+    environment:
+      DB_TYPE: postgresdb
+      DB_POSTGRESDB_HOST: postgres
+      DB_POSTGRESDB_PORT: 5432
+      DB_POSTGRESDB_DATABASE: ${POSTGRES_DB}
+      DB_POSTGRESDB_USER: ${POSTGRES_USER}
+      DB_POSTGRESDB_PASSWORD: ${POSTGRES_PASSWORD}
+
+      N8N_BASIC_AUTH_ACTIVE: true
+      N8N_BASIC_AUTH_USER: ${N8N_BASIC_AUTH_USER}
+      N8N_BASIC_AUTH_PASSWORD: ${N8N_BASIC_AUTH_PASSWORD}
+
+      N8N_ENCRYPTION_KEY: ${N8N_ENCRYPTION_KEY}
+
+      N8N_SECURE_COOKIE: false
+      N8N_HOST: ${N8N_HOST}
+      N8N_PORT: 5678
+      N8N_PROTOCOL: http
+
+      TZ: ${TZ}
+
+    ports:
+      - "5678:5678"
+
+    volumes:
+      - ./n8n-data:/home/node/.n8n
+      - /mnt/storage:/mnt/storage
+      - /mnt/windows-video:/mnt/windows-video