Updated all config files.

docker-compose.yml

@@ -1,37 +1,93 @@
-# AUTHOR: Kris <connect@kristoffermalong.dev>
+volumes:
-# NOTE: 
+  db_storage:
-# Permission fix for linux based operating systems (If you are using local-space instead of mounted volumes).
+  n8n_storage:
-# sudo chown -R 1000:1000 ./n8n_data
+  redis_storage:
-# sudo chmod 755 ./n8n_data
+
-# then, restart docker compose container
+x-shared: &shared
-# This configuration is set to mounted volume by default.
+  restart: unless-stopped
+  image: docker.n8n.io/n8nio/n8n
+  environment:
+    - DB_TYPE=postgresdb
+    - DB_POSTGRESDB_HOST=n8n_postgres
+    - DB_POSTGRESDB_PORT=5432
+    - DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
+    - DB_POSTGRESDB_USER=${POSTGRES_NON_ROOT_USER}
+    - DB_POSTGRESDB_PASSWORD=${POSTGRES_NON_ROOT_PASSWORD}
+    - EXECUTIONS_MODE=queue
+    - QUEUE_BULL_REDIS_HOST=n8n_redis
+    - QUEUE_HEALTH_CHECK_ACTIVE=true
+    - N8N_ENCRYPTION_KEY=${ENCRYPTION_KEY}
+    - N8N_HOST=${N8N_HOST}
+    - WEBHOOK_URL=${N8N_WEBHOOK_URL}
+    - N8N_EDITOR_BASE_URL=${N8N_EDITOR_BASE_URL}
+    - N8N_RUNNERS_ENABLED=true
+    - N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true
+    - OFFLOAD_MANUAL_EXECUTIONS_TO_WORKERS=true
+  links:
+    - n8n_postgres
+    - n8n_redis
+  volumes:
+    - n8n_storage:/home/node/.n8n
+  depends_on:
+    n8n_redis:
+      condition: service_healthy
+    n8n_postgres:
+      condition: service_healthy
 
 services:
-  n8n:
+  n8n_postgres:
-    image: n8nio/n8n:stable
+    container_name: n8n_postgres
-    container_name: n8n
+    image: postgres:16
-    ports:
-      - "5678:${N8N_PORT}"
-    user: "1000:1000"
-    environment:
-      - N8N_BASIC_AUTH_ACTIVE=${N8N_BASIC_AUTH_ACTIVE}
-      - N8N_BASIC_AUTH_USER=${N8N_BASIC_AUTH_USER}
-      - N8N_BASIC_AUTH_PASSWORD=${N8N_BASIC_AUTH_PASSWORD}
-      - N8N_HOST=${N8N_HOST}
-      - N8N_PORT=${N8N_PORT}
-      - N8N_PROTOCOL=${N8N_PROTOCOL}
-      - N8N_EDITOR_BASE_URL=${N8N_EDITOR_BASE_URL}
-      - TZ=${TZ}
-      # For security. Set default values for the following environment variables.
-      - N8N_RUNNERS_ENABLED=true
-      - N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true
-    volumes:
-      - n8n_data:/home/node/.n8n:rw
     restart: unless-stopped
+    environment:
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - POSTGRES_DB
+      - POSTGRES_NON_ROOT_USER
+      - POSTGRES_NON_ROOT_PASSWORD
+    volumes:
+      - db_storage:/var/lib/postgresql/data
+      - ./init-data.sh:/docker-entrypoint-initdb.d/init-data.sh
+    healthcheck:
+      test: ['CMD-SHELL', 'pg_isready -h localhost -U ${POSTGRES_USER} -d ${POSTGRES_DB}']
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    deploy:
+      resources:
+        limits:
+          cpus: "${POSTGRES_LIMIT_CPUS}"
+          memory: "${POSTGRES_LIMIT_MEMORY}"
+        reservations:
+          cpus: "${POSTGRES_RESERVE_CPUS}"
+          memory: "${POSTGRES_RESERVE_MEMORY}"
 
-    # We do this since we are not autoscaling.
+  n8n_redis:
-    # We can autoscale with kubernetes or k8s in the future.
+    container_name: n8n_redis
-    # This is to prevent your host PC or VPS from draining its resources.
+    image: redis:6-alpine
+    restart: unless-stopped
+    volumes:
+      - redis_storage:/data
+    healthcheck:
+      test: ['CMD', 'redis-cli', 'ping']
+      interval: 5s
+      timeout: 5s
+      retries: 10
+    deploy:
+      resources:
+        limits:
+          cpus: "${REDIS_LIMIT_CPUS}"
+          memory: "${REDIS_LIMIT_MEMORY}"
+        reservations:
+          cpus: "${REDIS_RESERVE_CPUS}"
+          memory: "${REDIS_RESERVE_MEMORY}"
+
+  n8n_main:
+    <<: *shared
+    restart: unless-stopped
+    container_name: n8n_main
+    ports:
+      - ${N8N_PORT}:5678
     deploy:
       resources:
         limits:
@@ -41,5 +97,19 @@ services:
           cpus: "${N8N_RESERVE_CPUS}"
           memory: "${N8N_RESERVE_MEMORY}"
 
-volumes:
+  n8n_worker:
-  n8n_data:
+    <<: *shared
+    restart: unless-stopped
+    container_name: n8n_worker
+    command: worker
+    depends_on:
+      - n8n_main
+    deploy:
+      resources:
+        limits:
+          cpus: "${N8N_WORKER_LIMIT_CPUS}"
+          memory: "${N8N_WORKER_LIMIT_MEMORY}"
+        reservations:
+          cpus: "${N8N_WORKER_RESERVE_CPUS}"
+          memory: "${N8N_WORKER_RESERVE_MEMORY}"
+    

env.default

@@ -1,23 +1,47 @@
-# Rename to ".env"
+POSTGRES_USER=changethis
-# ----- System Variables
+POSTGRES_PASSWORD=changethis
-N8N_BASIC_AUTH_ACTIVE=true
+POSTGRES_DB=n8n
-N8N_BASIC_AUTH_USER=admin
+POSTGRES_NON_ROOT_USER=changethis
-N8N_BASIC_AUTH_PASSWORD=changeme
+POSTGRES_NON_ROOT_PASSWORD=changethis
-N8N_HOST=localhost
+ENCRYPTION_KEY=changethis
-N8N_PORT=5678
-N8N_PROTOCOL=http
-N8N_EDITOR_BASE_URL=http://localhost:5678
-TZ=Asia/Manila
 
+N8N_HOST=localhost
+N8N_WEBHOOK_URL=http://localhost:5678/
+N8N_EDITOR_BASE_URL=http://localhost:5678
+N8N_PORT=5678
 
 
 
 # ----- Resources
+
+# --- N8N
 # - Limits
 N8N_LIMIT_CPUS=0.25
 N8N_LIMIT_MEMORY=512MB
-
 # - Reservations
 N8N_RESERVE_CPUS=0.25
 N8N_RESERVE_MEMORY=512MB
 
+# --- N8N Worker
+# - Limits
+N8N_WORKER_LIMIT_CPUS=0.25
+N8N_WORKER_LIMIT_MEMORY=256MB
+# - Reservations
+N8N_WORKER_RESERVE_CPUS=0.25
+N8N_WORKER_RESERVE_MEMORY=256MB
+
+# --- Redis
+# - Limits
+REDIS_LIMIT_CPUS=0.25
+REDIS_LIMIT_MEMORY=128MB
+# - Reservations
+REDIS_RESERVE_CPUS=0.25
+REDIS_RESERVE_MEMORY=128MB
+
+# --- Postgres
+# - Limits
+POSTGRES_LIMIT_CPUS=0.25
+POSTGRES_LIMIT_MEMORY=256MB
+# - Reservations
+POSTGRES_RESERVE_CPUS=0.25
+POSTGRES_RESERVE_MEMORY=256MB

init-data.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e;
+
+
+if [ -n "${POSTGRES_NON_ROOT_USER:-}" ] && [ -n "${POSTGRES_NON_ROOT_PASSWORD:-}" ]; then
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+		CREATE USER ${POSTGRES_NON_ROOT_USER} WITH PASSWORD '${POSTGRES_NON_ROOT_PASSWORD}';
+		GRANT ALL PRIVILEGES ON DATABASE ${POSTGRES_DB} TO ${POSTGRES_NON_ROOT_USER};
+		GRANT CREATE ON SCHEMA public TO ${POSTGRES_NON_ROOT_USER};
+	EOSQL
+else
+	echo "SETUP INFO: No Environment variables given!"
+fi