Prepare application for deployment using Docker containers

Adds Dockerfile, docker-compose.yml, .dockerignore, nginx.conf, init.sql and updates replit.md and server/routes.ts.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 91318273-c764-4fd4-be04-bdc12c38af32
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0715008c-7244-40f4-befc-26c014852236/c3a86207-4ee0-47f9-8062-2dbbae696290.jpg

nginx.conf

@@ -0,0 +1,79 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Configuration des logs
+    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+                    '$status $body_bytes_sent "$http_referer" '
+                    '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log /var/log/nginx/access.log main;
+    error_log /var/log/nginx/error.log warn;
+
+    # Configuration générale
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+
+    # Configuration de compression
+    gzip on;
+    gzip_vary on;
+    gzip_min_length 10240;
+    gzip_proxied expired no-cache no-store private must-revalidate auth;
+    gzip_types
+        text/plain
+        text/css
+        text/xml
+        text/javascript
+        application/javascript
+        application/xml+rss
+        application/json;
+
+    # Configuration du serveur
+    server {
+        listen 80;
+        server_name localhost;
+
+        # Limite de taille des fichiers
+        client_max_body_size 50M;
+
+        # Configuration des headers de sécurité
+        add_header X-Frame-Options "SAMEORIGIN" always;
+        add_header X-Content-Type-Options "nosniff" always;
+        add_header X-XSS-Protection "1; mode=block" always;
+        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+        # Proxy vers l'application RegisFlow
+        location / {
+            proxy_pass http://regisflow:5000;
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection 'upgrade';
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_cache_bypass $http_upgrade;
+            proxy_read_timeout 86400;
+        }
+
+        # Configuration pour les fichiers statiques
+        location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
+            proxy_pass http://regisflow:5000;
+            expires 1y;
+            add_header Cache-Control "public, immutable";
+        }
+
+        # Health check
+        location /health {
+            proxy_pass http://regisflow:5000/health;
+            access_log off;
+        }
+    }
+}