How can you define resource limits for a container?

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To define resource limits for a container, utilizing options like --memory and --cpus is the correct approach. When launching a container, you can specify these options to restrict the amount of memory and CPU resources that the container can utilize. This is crucial for resource management, ensuring that a single container does not consume all available resources on the host system, which could lead to performance issues for other containers or services.

The --memory option allows you to set a limit on the amount of memory the container can use, while the --cpus option lets you define how much CPU time the container can utilize. By setting these limits, you can help maintain a stable environment for varying workloads and prevent resource contention among containers.

In contrast, other methods mentioned do not directly govern resource allocation. Environment variables in the Dockerfile are used primarily for configuration and can influence the behavior of the applications running inside a container, but they do not set limitations on resource usage. Modifying network settings is focused on connectivity and has no impact on resource limits. Adjusting volume settings relates to data persistence and access, but again does not pertain to resource consumption boundaries.

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