docker-watch-mode-2025
Docker Compose Watch mode for automatic hot reload during local development with sync, rebuild, and restart actions
Docker Compose Watch mode for automatic hot reload during local development with sync, rebuild, and restart actions
Docker Compose Watch Mode (2025 GA)
Docker Compose Watch enables automatic hot reload during local development by synchronizing file changes instantly without manual container restarts.
Three Watch Actions
1. sync - Hot Reload
For frameworks with hot reload (React, Next.js, Node.js, Flask).
Copies changed files directly into running container.
2. rebuild - Compilation
For compiled languages (Go, Rust, Java) or dependency changes.
Rebuilds image and recreates container when files change.
3. sync+restart - Config Changes
For configuration files requiring restart.
Syncs files and restarts container.
Usage
services:
frontend:
build: ./frontend
develop:
watch:
- action: sync
path: ./frontend/src
target: /app/src
ignore: [node_modules/, .git/]
- action: rebuild
path: ./frontend/package.json
Start with: docker compose up --watch
Benefits
- Better performance than bind mounts
- No file permission issues
- Intelligent syncing
- Supports rebuild capability
- Works on all platforms
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