Moving from Docker volumes to bind mounts

When I started with Docker, the docs seemed to suggest that using Docker volumes was a good thing. With a Docker volume, you just create the volume and Docker manages the rest. You don’t have to worry about where it is, or really ever think about it.

Here’s a docker-compose for Uptime Kuma using a volume.

services:
  uptime-kuma:
    image: louislam/uptime-kuma:1
    container_name: uptime-kuma
    volumes:
      - kuma_data:/app/data
    ports:
      - 80:3001
    restart: unless-stopped

volumes:
  kuma_data:

This is telling Docker we want to create a volume called “kuma_data” and then map it into the container file system at /app/data