📚 Add 🐳 Docker Compose example for 🐘 PostgresQL

docker/compose/withPostgres/docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.1'
+
+services:
+
+  postgres:
+    image: postgres:11
+    restart: always
+    environment:
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - POSTGRES_DB
+      - POSTGRES_NON_ROOT_USER
+      - POSTGRES_NON_ROOT_PASSWORD
+    volumes:
+      - ./init-data.sh:/docker-entrypoint-initdb.d/init-data.sh
+
+  n8n:
+    image: 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:/root/.n8n
+    # Wait 5 seconds to start n8n to make sure that PostgreSQL is ready
+    # when n8n tries to connect to it
+    command: /bin/sh -c "sleep 5; n8n start"