Add Docker to the CI #61

Job	Run time
continuous-integration	22s
deploy-api-dev / deploy	7s
deploy-transcriber-dev / deploy	7s
deploy-api-stg / deploy	4m 20s
deploy-transcriber-stg / deploy	4m 20s
deploy-api-pro	0s
deploy-transcriber-pro	0s
	9m 16s

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