Add Docker Compose configuration for n8n service and example environment file

.gitignore

@@ -23,3 +23,4 @@ pdf/stirling/latest/config/*.db
 
 # ignore environment files
 .env
+memos/.memos/memos_prod.db

n8n/.env.example

@@ -0,0 +1,9 @@
+
+POSTGRES_DB=nodemotion
+POSTGRES_USER=nodemotion
+# openssl rand -base64 18
+POSTGRES_PASSWORD=
+
+POSTGRES_NON_ROOT_USER=
+# openssl rand -base64 18
+POSTGRES_NON_ROOT_PASSWORD=

n8n/compose.yml

@@ -0,0 +1,44 @@
+version: '3.8'
+
+volumes:
+  db_storage:
+  n8n_storage:
+
+services:
+  postgres:
+    image: postgres:16
+    restart: always
+    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 ${POSTGRES_DB}']
+      interval: 5s
+      timeout: 5s
+      retries: 10
+
+  n8n:
+    image: docker.n8n.io/n8nio/n8n
+    restart: always
+    environment:
+      - DB_TYPE=postgresdb
+      - DB_POSTGRESDB_HOST=postgres
+      - DB_POSTGRESDB_PORT=5432
+      - DB_POSTGRESDB_DATABASE=${POSTGRES_DB}
+      - DB_POSTGRESDB_USER=${POSTGRES_NON_ROOT_USER}
+      - DB_POSTGRESDB_PASSWORD=${POSTGRES_NON_ROOT_PASSWORD}
+    ports:
+      - 5678:5678
+    links:
+      - postgres
+    volumes:
+      - n8n_storage:/home/node/.n8n
+    depends_on:
+      postgres:
+        condition: service_healthy