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fe94f4ce0b
n8n running in queue mode (EXECUTIONS_MODE=queue): main instance for the editor/webhooks, a scalable pool of workers (deploy.replicas driven by the N8N_WORKER_REPLICAS env var), Redis (Bull) as the queue broker and PostgreSQL as the database. Pinned to the current stable n8nio/n8n:2.30.4. Closes #455 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
125 lines
3.5 KiB
YAML
125 lines
3.5 KiB
YAML
services:
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postgres:
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image: postgres:17-alpine
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restart: unless-stopped
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environment:
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- POSTGRES_USER=${POSTGRES_USER}
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- POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
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- POSTGRES_DB=${POSTGRES_DB}
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volumes:
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- postgres_data:/var/lib/postgresql/data
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healthcheck:
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test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
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start_period: 30s
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interval: 10s
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timeout: 5s
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retries: 5
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redis:
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image: redis:7-alpine
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restart: unless-stopped
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command: redis-server --requirepass ${REDIS_PASSWORD}
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environment:
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- REDIS_PASSWORD=${REDIS_PASSWORD}
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volumes:
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- redis_data:/data
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healthcheck:
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test: ["CMD-SHELL", "redis-cli -a \"$$REDIS_PASSWORD\" ping | grep PONG"]
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start_period: 20s
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interval: 10s
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timeout: 5s
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retries: 5
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# Main instance: serves the editor UI and webhooks, publishes executions
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# to the Redis (Bull) queue instead of running them itself.
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n8n:
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image: n8nio/n8n:2.30.4
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restart: unless-stopped
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environment:
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# PostgreSQL
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- DB_TYPE=postgresdb
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- DB_POSTGRESDB_HOST=postgres
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- DB_POSTGRESDB_PORT=5432
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- DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
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- DB_POSTGRESDB_USER=${POSTGRES_USER}
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- DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD}
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# Queue mode (Redis / Bull)
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- EXECUTIONS_MODE=queue
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- QUEUE_BULL_REDIS_HOST=redis
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- QUEUE_BULL_REDIS_PORT=6379
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- QUEUE_BULL_REDIS_PASSWORD=${REDIS_PASSWORD}
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- QUEUE_HEALTH_CHECK_ACTIVE=true
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- OFFLOAD_MANUAL_EXECUTIONS_TO_WORKERS=true
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# Encryption key shared between the main instance and the workers
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- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
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# Networking
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- N8N_HOST=${N8N_HOST}
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- N8N_PORT=5678
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- N8N_PROTOCOL=http
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- N8N_PROXY_HOPS=1
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- NODE_ENV=production
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- N8N_WEBHOOK_URL=https://${N8N_HOST}/
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- N8N_EDITOR_BASE_URL=https://${N8N_HOST}/
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- GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
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- N8N_SECURE_COOKIE=false
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volumes:
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- n8n_data:/home/node/.n8n
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depends_on:
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postgres:
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condition: service_healthy
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redis:
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condition: service_healthy
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healthcheck:
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test: ["CMD-SHELL", "wget --spider -q http://127.0.0.1:5678/healthz"]
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start_period: 60s
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interval: 10s
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timeout: 5s
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retries: 10
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# Queue workers: pull executions from Redis and run them. Scale them by
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# changing the N8N_WORKER_REPLICAS environment variable and redeploying.
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n8n-worker:
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image: n8nio/n8n:2.30.4
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restart: unless-stopped
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command: worker
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deploy:
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replicas: ${N8N_WORKER_REPLICAS:-2}
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environment:
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# PostgreSQL
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- DB_TYPE=postgresdb
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- DB_POSTGRESDB_HOST=postgres
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- DB_POSTGRESDB_PORT=5432
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- DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
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- DB_POSTGRESDB_USER=${POSTGRES_USER}
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- DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD}
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# Queue mode (Redis / Bull)
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- EXECUTIONS_MODE=queue
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- QUEUE_BULL_REDIS_HOST=redis
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- QUEUE_BULL_REDIS_PORT=6379
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- QUEUE_BULL_REDIS_PASSWORD=${REDIS_PASSWORD}
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- QUEUE_HEALTH_CHECK_ACTIVE=true
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# Must be the same key as the main instance
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- N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY}
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- NODE_ENV=production
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- GENERIC_TIMEZONE=${GENERIC_TIMEZONE}
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depends_on:
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n8n:
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condition: service_healthy
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healthcheck:
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test: ["CMD-SHELL", "wget --spider -q http://127.0.0.1:5678/healthz"]
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start_period: 60s
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interval: 10s
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timeout: 5s
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retries: 10
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volumes:
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postgres_data:
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redis_data:
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n8n_data:
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