I have the same error, is there a way to fix it?
My docker-compose file:
compose
version: "3.8"
services:
n8n-master:
image: n8nio/n8n:latest
depends_on:
- redis
- db
ports:
- 5678:5678
environment:
- DB_POSTGRESDB_DATABASE=postgres
- DB_POSTGRESDB_USER=postgres
- DB_POSTGRESDB_PASSWORD=pass
- DB_POSTGRESDB_HOST=db
- DB_POSTGRESDB_PORT=5432
- DB_TYPE=postgresdb
- N8N_BASIC_AUTH_PASSWORD=123
- N8N_BASIC_AUTH_USER=admin
- EXECUTIONS_MODE=queue
- EXECUTIONS_DATA_MAX_AGE=72
- EXECUTIONS_DATA_PRUNE="true"
- GENERIC_TIMEZONE=America/Sao_Paulo
- N8N_BASIC_AUTH_ACTIVE="true"
- N8N_ENCRYPTION_KEY=ae1e030c-2bb1-4175-9028-20c2d87276c5
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_BULL_REDIS_PORT=6379
- N8N_DISABLE_PRODUCTION_MAIN_PROCESS=true
- N8N_SKIP_WEBHOOK_DEREGISTRATION_SHUTDOWN=true
n8n-worker-1:
image: n8nio/n8n:latest
depends_on:
- redis
- db
- n8n-master
environment:
- N8N_ENCRYPTION_KEY=ae1e030c-2bb1-4175-9028-20c2d87276c5
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_BULL_REDIS_PORT=6379
- DB_POSTGRESDB_DATABASE=postgres
- DB_POSTGRESDB_USER=postgres
- DB_POSTGRESDB_PASSWORD=pass
- DB_POSTGRESDB_HOST=db
- DB_POSTGRESDB_PORT=5432
- DB_TYPE=postgresdb
command: ["n8n", "worker"]
n8n-worker-2:
image: n8nio/n8n:latest
depends_on:
- redis
- db
- n8n-master
environment:
- N8N_ENCRYPTION_KEY=ae1e030c-2bb1-4175-9028-20c2d87276c5
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_BULL_REDIS_PORT=6379
- DB_POSTGRESDB_DATABASE=postgres
- DB_POSTGRESDB_USER=postgres
- DB_POSTGRESDB_PASSWORD=pass
- DB_POSTGRESDB_HOST=db
- DB_POSTGRESDB_PORT=5432
- DB_TYPE=postgresdb
command: ["n8n", "worker", "--concurrency=5"]
n8n-webhook-1:
image: n8nio/n8n:latest
depends_on:
- redis
- db
- n8n-master
ports:
- 5679:5678
environment:
- N8N_ENCRYPTION_KEY=ae1e030c-2bb1-4175-9028-20c2d87276c5
- EXECUTIONS_MODE=queue
- QUEUE_BULL_REDIS_HOST=redis
- QUEUE_BULL_REDIS_PORT=6379
- DB_POSTGRESDB_DATABASE=postgres
- DB_POSTGRESDB_USER=postgres
- DB_POSTGRESDB_PASSWORD=pass
- DB_POSTGRESDB_HOST=db
- DB_POSTGRESDB_PORT=5432
- DB_TYPE=postgresdb
command: ["n8n", "webhook"]
redis:
image: redis:latest
volumes:
- redis-data:/data
db:
image: postgres:latest
environment:
- POSTGRES_DB=postgres
- POSTGRES_USER=postgres
- POSTGRES_PASSWORD=pass
volumes:
- db-data:/var/lib/postgresql/data
volumes:
redis-data:
db-data:
the system starts, but postgree gives this error when starting the process, nothing goes into the queue.
2023-04-30 13:01:11.084 UTC [25] LOG: checkpoint complete: wrote 18 buffers (0.1%); 0 WAL file(s) added, 0 removed, 0 recycled; write=1.709 s, sync=0.002 s, total=1.715 s; sync files=18, longest=0.001 s, average=0.001 s; distance=21 kB, estimate=21 kB
2023-04-30 13:01:25.881 UTC [228] ERROR: duplicate key value violates unique constraint "workflow_statistics_pkey"
2023-04-30 13:01:25.881 UTC [228] DETAIL: Key ("workflowId", name)=(2, data_loaded) already exists.
2023-04-30 13:01:25.881 UTC [228] STATEMENT: INSERT INTO "public"."workflow_statistics"("count", "latestEvent", "name", "workflowId") VALUES ($1, $2, $3, $4)