Initial commit : API Node.js + PostgreSQL + sync service Docker

- API Express/pg connectée à PostgreSQL (converti depuis mssql)
- 8 routes : articles, fournisseurs, commandes, stock, mouvements, performance, schema, sync
- Service sync nightly (mssql → pg, cron 3h00)
- Docker Compose : postgres + api + sync + frpc (tunnel sortant)
- Schéma PostgreSQL 17 tables dans postgres/init.sql

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,65 @@
+services:
+
+  postgres:
+    image: postgres:16-alpine
+    container_name: ff_postgres
+    environment:
+      POSTGRES_DB:       ${PG_DB}
+      POSTGRES_USER:     ${PG_USER}
+      POSTGRES_PASSWORD: ${PG_PASSWORD}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+      - ./postgres/init.sql:/docker-entrypoint-initdb.d/init.sql:ro
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U ${PG_USER} -d ${PG_DB}"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+
+  api:
+    build: .
+    container_name: ff_api
+    environment:
+      PG_HOST:     postgres
+      PG_PORT:     5432
+      PG_DB:       ${PG_DB}
+      PG_USER:     ${PG_USER}
+      PG_PASSWORD: ${PG_PASSWORD}
+      API_PORT:    ${API_PORT:-3000}
+    depends_on:
+      postgres:
+        condition: service_healthy
+    restart: unless-stopped
+
+  sync:
+    build: ./sync
+    container_name: ff_sync
+    environment:
+      DB_HOST:     ${DB_HOST}
+      DB_PORT:     ${DB_PORT:-1433}
+      DB_NAME:     ${DB_NAME}
+      DB_USER:     ${DB_USER}
+      DB_PASSWORD: ${DB_PASSWORD}
+      PG_HOST:     postgres
+      PG_PORT:     5432
+      PG_DB:       ${PG_DB}
+      PG_USER:     ${PG_USER}
+      PG_PASSWORD: ${PG_PASSWORD}
+    depends_on:
+      postgres:
+        condition: service_healthy
+    restart: unless-stopped
+
+  # Tunnel sortant vers le serveur Hostinger (aucun port entrant requis)
+  frpc:
+    image: snowdreamtech/frpc:latest
+    container_name: ff_frpc
+    volumes:
+      - ./frpc.toml:/etc/frp/frpc.toml:ro
+    depends_on:
+      - api
+    restart: unless-stopped
+
+volumes:
+  postgres_data: