Docker Dev

Docker Development Environment

Manage the local Docker development environment. Action: $ARGUMENTS

Parse the arguments:

• First argument: action (start, stop, restart, status, logs, clean, rebuild)
• --tools: Include pgadmin and redis-commander
• --mail: Include mailhog for email testing
• --storage: Include minio for object storage
• --all: Include all optional services
• If no action given, default to status

The compose files are in docker-compose/.

Actions

start

Start the development environment with hot reload:

cd /Users/liwu/Projects/go/blog
docker compose -f docker-compose/docker-compose.dev.yml up -d

Add profiles based on flags:

• --tools: docker compose -f docker-compose/docker-compose.yml --profile tools up -d pgadmin redis-commander
• --mail: docker compose -f docker-compose/docker-compose.yml --profile mail up -d mailhog
• --storage: docker compose -f docker-compose/docker-compose.yml --profile storage up -d minio

After starting, show:

• Container status table
• Port mappings (backend: 3000, frontend: 5173, postgres: 5432, redis: 6379)
• Optional service URLs if started (pgadmin: 5050, mailhog: 8025, minio: 9001, redis-commander: 8081)

stop

docker compose -f docker-compose/docker-compose.dev.yml down
docker compose -f docker-compose/docker-compose.yml down

restart

Stop then start (preserving volumes).

status

Show detailed status:

docker compose -f docker-compose/docker-compose.dev.yml ps -a
docker compose -f docker-compose/docker-compose.yml ps -a

Also check:

• Database connectivity: docker exec <postgres-container> pg_isready
• Redis connectivity: docker exec <redis-container> redis-cli ping
• Volume usage: docker system df -v | head -20

logs

Follow logs for all or a specific service:

docker compose -f docker-compose/docker-compose.dev.yml logs -f --tail=100

If a service name is passed after logs, filter to that service.

clean

Remove all containers, volumes, and orphaned networks:

docker compose -f docker-compose/docker-compose.dev.yml down -v --remove-orphans
docker compose -f docker-compose/docker-compose.yml down -v --remove-orphans
docker volume prune -f

Warn the user that this deletes database data.

rebuild

Force rebuild of dev containers (useful after Dockerfile or dependency changes):

docker compose -f docker-compose/docker-compose.dev.yml up -d --build --force-recreate

Troubleshooting

If any container is unhealthy or not running, automatically:

1. Show the container logs (last 50 lines)
2. Check if ports are already in use (lsof -i :<port>)
3. Suggest fixes based on common issues:
   • Port conflict → suggest stopping the conflicting process
   • OOM → suggest increasing Docker memory
   • DB connection refused → check if postgres is healthy first

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