PHRAS-4149 stack management #1266

Job	Run time
build phraseanet-worker / build	4m 11s
build phraseanet-fpm / build	4m 20s
build phraseanet-db / build	44s
build phraseanet-nginx / build	3m 2s
build phraseanet-elasticsearch / build	38s
build phraseanet-setup / build	4m 4s
unit test	2m 27s
	19m 26s

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