build: remove usage of NODE_ENV (build is always prod, required devDeps) #1452

Job	Run time
backend-test / check-img-cache	48s
frontend-unit-test / Run Frontend Tests	24s
frontend-build / build-image	1m 37s
backend-test / test-img-build	0s
backend-test / run-tests	3m 42s
frontend-build / scan-image	18s
smoke-test-frontend	1m 0s
backend-build / build-image	1m 47s
backend-build / scan-image	18s
smoke-test-backend	1m 15s
deploy-containers / remote-deploy	59s
	12m 8s

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