feat(docker): configure n8n and Temporal to use shared PostgreSQL

.env.example

@@ -1,21 +1,55 @@
-# PostgreSQL Configuration
+# =============================
+# Development Environment
+# =============================
+# PostgreSQL (development)
 POSTGRES_USER=temporal
 POSTGRES_PASSWORD=temporal
 POSTGRES_DB=temporal
 POSTGRES_PORT=5432
+POSTGRES_DB_N8N=n8n
+POSTGRES_USER_N8N=n8n
+POSTGRES_PASSWORD_N8N=n8n_password
+POSTGRES_DB_TEMPORAL=temporal
+POSTGRES_USER_TEMPORAL=temporal
+POSTGRES_PASSWORD_TEMPORAL=temporal
 
-# n8n Configuration
+# n8n (development)
 N8N_WEBHOOK_URL=http://localhost:5678/
 N8N_ENCRYPTION_KEY=a_random_string_for_encryption
 N8N_PORT=5678
 
-# OpenSearch Configuration
+# OpenSearch (development)
 DISABLE_SECURITY_PLUGIN=true
 OPENSEARCH_PORT=9200
 
-# Temporal Configuration
+# Temporal (development)
 TEMPORAL_PORT=7233
 TEMPORAL_UI_PORT=8080
 
-# GitHub MCP Server configuration
+# GitHub MCP Server (development)
 GITHUB_PERSONAL_ACCESS_TOKEN=github_access_token
+
+# =============================
+# Production Environment
+# =============================
+# n8n (production)
+N8N_WEBHOOK_URL=
+N8N_ENCRYPTION_KEY=
+N8N_HOST=
+POSTGRES_HOST=
+POSTGRES_PORT=5432
+POSTGRES_DB_N8N=
+POSTGRES_USER_N8N=
+POSTGRES_PASSWORD_N8N=
+
+# opensearch (production)
+OPENSEARCH_PORT=9200
+
+# temporal (production)
+TEMPORAL_PORT=7233
+
+# temporal-ui (production)
+TEMPORAL_UI_PORT=8080
+POSTGRES_DB_TEMPORAL=
+POSTGRES_USER_TEMPORAL=
+POSTGRES_PASSWORD_TEMPORAL=

docker-compose.prod.yml

@@ -4,15 +4,16 @@ services:
       - WEBHOOK_URL=${N8N_WEBHOOK_URL:?N8N_WEBHOOK_URL is required}
       - N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY:?N8N_ENCRYPTION_KEY is required}
       - N8N_HOST=n8n.speedandfunction.com
+      - DB_POSTGRESDB_HOST=${POSTGRES_HOST:?POSTGRES_HOST is required}
+      - DB_POSTGRESDB_PORT=${POSTGRES_PORT:-5432}
+      - DB_POSTGRESDB_DATABASE=${POSTGRES_DB_N8N:?POSTGRES_DB_N8N is required}
+      - DB_POSTGRESDB_USER=${POSTGRES_USER_N8N:?POSTGRES_USER_N8N is required}
+      - DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD_N8N:?POSTGRES_PASSWORD_N8N is required}
   opensearch:
     environment:
       - OPENSEARCH_PORT=${OPENSEARCH_PORT:?OPENSEARCH_PORT is required}
 
-  postgresql:
-    environment:
-      - POSTGRES_USER=${POSTGRES_USER:?POSTGRES_USER is required}
-      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:?POSTGRES_PASSWORD is required}
-      - POSTGRES_DB=${POSTGRES_DB:?POSTGRES_DB is required}
+  postgresql: !reset null
 
   temporal:
     environment:
@@ -21,6 +22,11 @@ services:
   temporal-ui:
     environment:
       - TEMPORAL_UI_PORT=${TEMPORAL_UI_PORT:?TEMPORAL_UI_PORT is required}
+      - POSTGRES_SEEDS=${POSTGRES_HOST:?POSTGRES_HOST is required}
+      - DB_PORT=${POSTGRES_PORT:-5432}
+      - DBNAME=${POSTGRES_DB_TEMPORAL:?POSTGRES_DB_TEMPORAL is required}
+      - POSTGRES_USER=${POSTGRES_USER_TEMPORAL:?POSTGRES_USER_TEMPORAL is required}
+      - POSTGRES_PWD=${POSTGRES_PASSWORD_TEMPORAL:?POSTGRES_PASSWORD_TEMPORAL is required}
 
 volumes:
   n8n_data:
@@ -35,9 +41,3 @@ volumes:
       type: none
       o: bind
       device: /data/opensearch
-  postgresql-data:
-    driver: local
-    driver_opts:
-      type: none
-      o: bind
-      device: /data/postgresql

docker-compose.yml

@@ -8,6 +8,9 @@ services:
     restart: unless-stopped
     ports:
       - "${N8N_PORT:-5678}:5678"
+    depends_on:
+      postgresql:
+        condition: service_healthy
     environment:
       - WEBHOOK_URL=${N8N_WEBHOOK_URL:-http://localhost:5678/}
       - N8N_ENCRYPTION_KEY=${N8N_ENCRYPTION_KEY:-a_random_string_for_encryption}
@@ -18,6 +21,14 @@ services:
       - N8N_METRICS=true
       - N8N_HEALTH_CHECK_ENDPOINT=true
       - N8N_EXPRESS_TRUST_PROXY=true
+      - DB_TYPE=postgresdb
+      - DB_POSTGRESDB_HOST=postgresql
+      - DB_POSTGRESDB_PORT=5432
+      - DB_POSTGRESDB_DATABASE=${POSTGRES_DB_N8N:-n8n}
+      - DB_POSTGRESDB_USER=${POSTGRES_USER_N8N:-n8n}
+      - DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD_N8N:-n8n_password}
+      - N8N_LOG_LEVEL=debug
+      - N8N_LOG_OUTPUT=console
     volumes:
       - n8n_data:/home/node/.n8n
     networks:
@@ -60,18 +71,23 @@ services:
     image: postgres:14
     restart: unless-stopped
     environment:
-      POSTGRES_USER: ${POSTGRES_USER:-temporal}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-temporal}
-      POSTGRES_DB: ${POSTGRES_DB:-temporal}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
+      POSTGRES_DB_N8N: ${POSTGRES_DB_N8N:-n8n}
+      POSTGRES_USER_N8N: ${POSTGRES_USER_N8N:-n8n}
+      POSTGRES_PASSWORD_N8N: ${POSTGRES_PASSWORD_N8N:-n8n_password}
+      POSTGRES_DB_TEMPORAL: ${POSTGRES_DB_TEMPORAL:-temporal}
+      POSTGRES_USER_TEMPORAL: ${POSTGRES_USER_TEMPORAL:-temporal}
+      POSTGRES_PASSWORD_TEMPORAL: ${POSTGRES_PASSWORD_TEMPORAL:-temporal} 
     ports:
       - ${POSTGRES_PORT:-5432}:5432
     volumes:
       - postgresql-data:/var/lib/postgresql/data
+      - ./scripts/init-db.sh:/docker-entrypoint-initdb.d/init-db.sh
     networks:
       - app-network
     user: postgres
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-temporal}"]
+      test: ["CMD-SHELL", "psql -U ${POSTGRES_USER_N8N:-n8n} -d postgres -tAc \"SELECT 1 FROM pg_database WHERE datname='${POSTGRES_DB_N8N:-n8n}'\" | grep -q 1 && psql -U ${POSTGRES_USER_TEMPORAL:-temporal} -d postgres -tAc \"SELECT 1 FROM pg_database WHERE datname='${POSTGRES_DB_TEMPORAL:-temporal}'\" | grep -q 1"]
       interval: 5s
       timeout: 5s
       retries: 5
@@ -92,19 +108,17 @@ services:
       opensearch:
         condition: service_healthy
     environment:
-      - TEMPORAL_PORT=${TEMPORAL_PORT:-7233}
-      - DB_PORT=${POSTGRES_PORT:-5432}
-      - POSTGRES_USER=${POSTGRES_USER:-temporal}
-      - POSTGRES_PWD=${POSTGRES_PASSWORD:-temporal}
-      - ES_SEEDS=opensearch
-      - ES_VERSION=v7
-      - DB=postgresql
-      - DB_PORT=${POSTGRES_PORT}
-      - POSTGRES_USER=${POSTGRES_USER}
-      - POSTGRES_PWD=${POSTGRES_PASSWORD}
-      - POSTGRES_SEEDS=postgresql
-      - ENABLE_ES=true
-      - HOST=temporal
+      TEMPORAL_PORT: ${TEMPORAL_PORT:-7233}
+      POSTGRES_SEEDS: postgresql
+      DB_PORT: ${POSTGRES_PORT:-5432}
+      DBNAME: ${POSTGRES_DB_TEMPORAL:-temporal}
+      POSTGRES_USER: ${POSTGRES_USER_TEMPORAL:-temporal}
+      POSTGRES_PWD: ${POSTGRES_PASSWORD_TEMPORAL:-temporal}
+      ES_SEEDS: opensearch
+      ES_VERSION: v7
+      DB: postgresql
+      ENABLE_ES: "true"
+      HOST: temporal
     ports:
       - "${TEMPORAL_PORT:-7233}:7233"
     networks:

scripts/init-db.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "postgres" <<-EOSQL
+    CREATE USER "$POSTGRES_USER_N8N" WITH ENCRYPTED PASSWORD '$POSTGRES_PASSWORD_N8N';
+    CREATE DATABASE "$POSTGRES_DB_N8N" OWNER "$POSTGRES_USER_N8N";
+    GRANT ALL PRIVILEGES ON DATABASE "$POSTGRES_DB_N8N" TO "$POSTGRES_USER_N8N";
+
+    CREATE USER "$POSTGRES_USER_TEMPORAL" WITH ENCRYPTED PASSWORD '$POSTGRES_PASSWORD_TEMPORAL';
+    CREATE DATABASE "$POSTGRES_DB_TEMPORAL" OWNER "$POSTGRES_USER_TEMPORAL";
+    GRANT ALL PRIVILEGES ON DATABASE "$POSTGRES_DB_TEMPORAL" TO "$POSTGRES_USER_TEMPORAL";
+EOSQL