add_docker_metadata

Imports

• github.com/elastic/beats/libbeat/beat
• github.com/elastic/beats/libbeat/common
• github.com/elastic/beats/libbeat/common/cfgwarn
• github.com/elastic/beats/libbeat/common/docker
• github.com/elastic/beats/libbeat/logp
• github.com/elastic/beats/libbeat/processors
• github.com/elastic/beats/libbeat/processors/actions

Standard library imports

• fmt
• strings
• time