feat: add production docker-compose configuration and deployment documentation for Portainer integration

docker-compose.prod.yml

@@ -0,0 +1,37 @@
+services:
+  frontend:
+    build: .
+    restart: always
+    expose:
+      - "80"
+
+  caddy:
+    image: caddy:2-alpine
+    restart: always
+    ports:
+      - "80:80"
+      - "443:443"
+    environment:
+      - DOMAIN_NAME=${DOMAIN_NAME}
+    entrypoint:
+      - /bin/sh
+      - -c
+      - |
+        # Build Caddyfile on container start
+        CLEAN_DOMAIN=$(printf '%s' "$DOMAIN_NAME" | tr -d ';')
+        cat > /etc/caddy/Caddyfile <<EOF
+        ${CLEAN_DOMAIN} {
+            reverse_proxy /* frontend:80
+        }
+        EOF
+        # Run Caddy with the generated file
+        caddy run --config /etc/caddy/Caddyfile --adapter caddyfile
+    volumes:
+      - caddy_data:/data
+      - caddy_config:/config
+    depends_on:
+      - frontend
+
+volumes:
+  caddy_data:
+  caddy_config: