Explain the concept of "least privilege" in container security.

beginner

Re-explain

Least privilege means granting containers only the minimum permissions and resources needed to function. This includes:

User Privileges: Running containers as non-root users when possible
Capability Dropping: Removing unnecessary Linux capabilities
Resource Limits: Setting CPU, memory, and storage constraints
Network Access: Limiting network connectivity to required services only
File System Access: Using read-only file systems and minimal volume mounts
Example:

# Instead of running as root
USER 1000:1000
# Drop all capabilities and add only required ones
RUN setcap cap_net_bind_service=+ep /app/server

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