Back to pull request #185

Add healthcheck for minio, fix seeder container names, and reduce object size #432

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Run time

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Job	Run time
hadolint-migrator	5s
hadolint-manager	9s
build	3m 19s
buf	3s
hadolint-publisher	6s
ineffassign	15s
markdownlint	8s
unittests	1m 38s
	5m 43s