What are the main drawbacks of Docker?

Some of the main drawbacks of Docker are:

1. Security Risks: Containers share the host OS kernel, which increases the risk of attack. Malware can spread easily between containers or from the host OS to the containers.

2. Complexity: While containers simplify application deployment, managing a large number of containers can be complex. Managing container orchestration, networking, and storage can be challenging.

3. Resource Consumption: Running multiple containers on a single host can lead to resource contention and reduced performance.

4. Persistent Storage: Persistent storage can be difficult to manage in Docker. Containers are designed to be ephemeral, which means data is lost when a container is destroyed. Managing data volumes and backups can be challenging.

5. Versioning: Managing the versioning of images can be difficult. As containers are designed to be disposable, it can be difficult to keep track of which version of an image is running in which container.