feat: Complete Docker infrastructure and CI/CD pipeline

- Created production-ready Dockerfiles with multi-stage builds
- Implemented complete CI/CD pipeline with GitHub Actions:
  - Automated testing for backend and frontend
  - Security scanning with Trivy
  - Docker image building and pushing to GHCR
  - Automated deployments to dev and production
  - Zero-downtime deployment strategy with rollback
- Set up docker-compose for both development and production
- Configured Nginx reverse proxy with SSL support
- Domain configuration:
  - Development: maternal.noru1.ro:3005, maternal-api.noru1.ro:3015
  - Production: parentflowapp.com, api.parentflowapp.com
- Created comprehensive health check endpoints for monitoring
- Updated port configuration for development environment
- Added environment-specific configuration files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

nginx/nginx.conf

@@ -0,0 +1,94 @@
+user nginx;
+worker_processes auto;
+error_log /var/log/nginx/error.log warn;
+pid /var/run/nginx.pid;
+
+events {
+    worker_connections 2048;
+    use epoll;
+    multi_accept on;
+}
+
+http {
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    # Logging
+    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
+                    '$status $body_bytes_sent "$http_referer" '
+                    '"$http_user_agent" "$http_x_forwarded_for" '
+                    'rt=$request_time uct="$upstream_connect_time" '
+                    'uht="$upstream_header_time" urt="$upstream_response_time"';
+
+    access_log /var/log/nginx/access.log main;
+
+    # Performance Settings
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+    client_max_body_size 100M;
+
+    # Gzip Settings
+    gzip on;
+    gzip_vary on;
+    gzip_proxied any;
+    gzip_comp_level 6;
+    gzip_types text/plain text/css text/xml text/javascript
+               application/json application/javascript application/xml+rss
+               application/rss+xml application/atom+xml image/svg+xml
+               text/x-js text/x-cross-domain-policy application/x-font-ttf
+               application/x-font-opentype application/vnd.ms-fontobject
+               image/x-icon application/wasm;
+
+    # Cache Settings
+    proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=parentflow_cache:10m
+                     max_size=1g inactive=60m use_temp_path=off;
+
+    # Rate Limiting
+    limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
+    limit_req_zone $binary_remote_addr zone=general_limit:10m rate=30r/s;
+
+    # Security Headers
+    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;
+
+    # SSL Settings (when using Let's Encrypt)
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256;
+    ssl_prefer_server_ciphers on;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_timeout 10m;
+    ssl_stapling on;
+    ssl_stapling_verify on;
+
+    # Upstream Definitions
+    upstream frontend {
+        least_conn;
+        server frontend:3000 max_fails=3 fail_timeout=30s;
+        keepalive 32;
+    }
+
+    upstream backend {
+        least_conn;
+        server backend:3000 max_fails=3 fail_timeout=30s;
+        keepalive 32;
+    }
+
+    # Health Check Endpoint
+    server {
+        listen 80;
+        server_name localhost;
+        location /health {
+            access_log off;
+            return 200 "healthy\n";
+            add_header Content-Type text/plain;
+        }
+    }
+
+    # Include site configurations
+    include /etc/nginx/sites-enabled/*.conf;
+}