Step 1 migration: add API service and dedicated PostgreSQL

.env.example

@@ -1,2 +1,10 @@
 # Mets 7000 si le port est libre, sinon garde 7001
 APP_PORT=7001
+
+# API backend (etape 1 migration)
+API_PORT=7002
+
+# Base dediee a l'application video games
+VG_DB_NAME=video_games
+VG_DB_USER=video_games_user
+VG_DB_PASSWORD=change_me

README.md

@@ -28,6 +28,8 @@ Centraliser ta collection dans une interface rapide a utiliser, evolutive, et fa
 
 - Frontend: HTML, CSS, JavaScript vanilla
 - Serveur web local: Nginx (conteneur Docker)
+- Backend API: Node.js (endpoint de sante pour migration progressive)
+- Base de donnees: PostgreSQL dediee a l'application
 - Orchestration: Docker Compose
 
 ## Structure du projet
@@ -38,6 +40,9 @@ Centraliser ta collection dans une interface rapide a utiliser, evolutive, et fa
 |- styles.css
 |- app.js
 |- Dockerfile
+|- api/
+|  |- Dockerfile
+|  |- server.js
 |- docker-compose.yml
 |- .dockerignore
 |- .env.example
@@ -57,6 +62,10 @@ Par defaut:
 
 ```env
 APP_PORT=7001
+API_PORT=7002
+VG_DB_NAME=video_games
+VG_DB_USER=video_games_user
+VG_DB_PASSWORD=change_me
 ```
 
 Tu peux mettre `7000` si ce port est libre sur ta machine.
@@ -72,6 +81,10 @@ docker compose up -d --build
 - [http://localhost:7001](http://localhost:7001) (par defaut)
 - ou [http://localhost:7000](http://localhost:7000) si `APP_PORT=7000`
 
+### 3-bis) Verifier l'API (etape 1 migration)
+
+- [http://localhost:7002/health](http://localhost:7002/health)
+
 ### 4) Arreter
 
 ```bash

api/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:20-alpine
+
+WORKDIR /app
+COPY api/server.js ./server.js
+
+EXPOSE 3001
+CMD ["node", "server.js"]

api/server.js

@@ -0,0 +1,32 @@
+const http = require("http");
+
+const port = Number(process.env.API_INTERNAL_PORT || 3001);
+const serviceName = process.env.SERVICE_NAME || "video-games-api";
+
+function sendJson(response, statusCode, payload) {
+  response.writeHead(statusCode, { "Content-Type": "application/json; charset=utf-8" });
+  response.end(JSON.stringify(payload));
+}
+
+const server = http.createServer((request, response) => {
+  const url = new URL(request.url || "/", `http://${request.headers.host || "localhost"}`);
+
+  if (request.method === "GET" && url.pathname === "/health") {
+    sendJson(response, 200, {
+      status: "ok",
+      service: serviceName,
+      timestamp: new Date().toISOString(),
+    });
+    return;
+  }
+
+  sendJson(response, 404, {
+    status: "not_found",
+    message: "Route not found",
+  });
+});
+
+server.listen(port, "0.0.0.0", () => {
+  // Keep startup logs minimal and readable in docker compose logs.
+  console.log(`${serviceName} listening on port ${port}`);
+});

docker-compose.yml

@@ -1,7 +1,38 @@
 services:
+  video-games-db:
+    image: postgres:16-alpine
+    container_name: video-games-db
+    restart: unless-stopped
+    environment:
+      - POSTGRES_DB=${VG_DB_NAME:-video_games}
+      - POSTGRES_USER=${VG_DB_USER:-video_games_user}
+      - POSTGRES_PASSWORD=${VG_DB_PASSWORD:-change_me}
+    volumes:
+      - video_games_data:/var/lib/postgresql/data
+
+  video-games-api:
+    build:
+      context: .
+      dockerfile: api/Dockerfile
+    container_name: video-games-api
+    restart: unless-stopped
+    depends_on:
+      - video-games-db
+    environment:
+      - SERVICE_NAME=video-games-api
+      - API_INTERNAL_PORT=3001
+      - DATABASE_URL=postgres://${VG_DB_USER:-video_games_user}:${VG_DB_PASSWORD:-change_me}@video-games-db:5432/${VG_DB_NAME:-video_games}
+    ports:
+      - "${API_PORT:-7002}:3001"
+
   video-games-app:
     build: .
     container_name: video-games-app
+    restart: unless-stopped
+    depends_on:
+      - video-games-api
     ports:
       - "${APP_PORT:-7001}:80"
-    restart: unless-stopped
+
+volumes:
+  video_games_data: